Finding the Fourth Proportional to 984,097.98, 1,358,048.97 and 554,516.46
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Solution
The fourth proportional to 984,097.98, 1,358,048.97 and 554,516.46 is: 765,229.20
Step by Step Solution
- Step 1: Write the proportion equation
984,097.98 : 1,358,048.97 = 554,516.46 : x - Step 2: Convert to fraction form
984,097.98/1,358,048.97 = 554,516.46/x - Step 3: Cross multiply
984,097.98x = 1,358,048.97 × 554,516.46 - Step 4: Simplify right side
984,097.98x = 753,060,507,351.05 - Step 5: Solve for x
x = 753,060,507,351.05/984,097.98 - Step 6: Final answer
x = 765,229.20
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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.