Finding the Fourth Proportional to 1,115,839.56, 1,539,859.62 and 606,541.92
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Solution
The fourth proportional to 1,115,839.56, 1,539,859.62 and 606,541.92 is: 837,028.41
Step by Step Solution
- Step 1: Write the proportion equation
1,115,839.56 : 1,539,859.62 = 606,541.92 : x - Step 2: Convert to fraction form
1,115,839.56/1,539,859.62 = 606,541.92/x - Step 3: Cross multiply
1,115,839.56x = 1,539,859.62 × 606,541.92 - Step 4: Simplify right side
1,115,839.56x = 933,989,410,445.27 - Step 5: Solve for x
x = 933,989,410,445.27/1,115,839.56 - Step 6: Final answer
x = 837,028.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.