Home / 981,711.70-1,472,567.55-484,047.70

Finding the Fourth Proportional to 981,711.70, 1,472,567.55 and 484,047.70

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Solution

The fourth proportional to 981,711.70, 1,472,567.55 and 484,047.70 is: 726,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,711.70 : 1,472,567.55 = 484,047.70 : x
  2. Step 2: Convert to fraction form
    981,711.70/1,472,567.55 = 484,047.70/x
  3. Step 3: Cross multiply
    981,711.70x = 1,472,567.55 × 484,047.70
  4. Step 4: Simplify right side
    981,711.70x = 712,792,935,672.14
  5. Step 5: Solve for x
    x = 712,792,935,672.14/981,711.70
  6. Step 6: Final answer
    x = 726,071.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.