Finding the Fourth Proportional to 684,104.13, 944,063.10 and 412,183.49
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Solution
The fourth proportional to 684,104.13, 944,063.10 and 412,183.49 is: 568,812.85
Step by Step Solution
- Step 1: Write the proportion equation
684,104.13 : 944,063.10 = 412,183.49 : x - Step 2: Convert to fraction form
684,104.13/944,063.10 = 412,183.49/x - Step 3: Cross multiply
684,104.13x = 944,063.10 × 412,183.49 - Step 4: Simplify right side
684,104.13x = 389,127,218,617.90 - Step 5: Solve for x
x = 389,127,218,617.90/684,104.13 - Step 6: Final answer
x = 568,812.85
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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.