Finding the Fourth Proportional to 755,025.87, 1,041,935.87 and 415,494.12
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Solution
The fourth proportional to 755,025.87, 1,041,935.87 and 415,494.12 is: 573,381.98
Step by Step Solution
- Step 1: Write the proportion equation
755,025.87 : 1,041,935.87 = 415,494.12 : x - Step 2: Convert to fraction form
755,025.87/1,041,935.87 = 415,494.12/x - Step 3: Cross multiply
755,025.87x = 1,041,935.87 × 415,494.12 - Step 4: Simplify right side
755,025.87x = 432,918,227,402.08 - Step 5: Solve for x
x = 432,918,227,402.08/755,025.87 - Step 6: Final answer
x = 573,381.98
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1.5x scale
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.