Question

find the number which when added to 724396 gives the sum of 1370827

Answer 1

Hey friend,

646431 is the number when added to 724396 gives 1370827.

Explanation:

Subtracting the first number with the total sum of the two numbers gives the second number:
1370827-724396=646431

Check:

Add the first number and the difference in the previous step:
646431+724396=1370827

✴hope this helps you... : )

Answer 2

first we need to find the difference 
1370827-724396=646431
then add it to 
724396+646431=1370827