Finding the Fourth Proportional to 614,868.96, 916,191.09 and 547,793.70
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Solution
The fourth proportional to 614,868.96, 916,191.09 and 547,793.70 is: 816,244.99
Step by Step Solution
- Step 1: Write the proportion equation
614,868.96 : 916,191.09 = 547,793.70 : x - Step 2: Convert to fraction form
614,868.96/916,191.09 = 547,793.70/x - Step 3: Cross multiply
614,868.96x = 916,191.09 × 547,793.70 - Step 4: Simplify right side
614,868.96x = 501,883,707,098.13 - Step 5: Solve for x
x = 501,883,707,098.13/614,868.96 - Step 6: Final answer
x = 816,244.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.