Finding the Fourth Proportional to 760,545.62, 1,049,553.26 and 416,403.85
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Solution
The fourth proportional to 760,545.62, 1,049,553.26 and 416,403.85 is: 574,637.48
Step by Step Solution
- Step 1: Write the proportion equation
760,545.62 : 1,049,553.26 = 416,403.85 : x - Step 2: Convert to fraction form
760,545.62/1,049,553.26 = 416,403.85/x - Step 3: Cross multiply
760,545.62x = 1,049,553.26 × 416,403.85 - Step 4: Simplify right side
760,545.62x = 437,038,018,244.05 - Step 5: Solve for x
x = 437,038,018,244.05/760,545.62 - Step 6: Final answer
x = 574,637.48
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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.