Home / 711,250.18-981,614.91-466,440.81

Finding the Fourth Proportional to 711,250.18, 981,614.91 and 466,440.81

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Solution

The fourth proportional to 711,250.18, 981,614.91 and 466,440.81 is: 643,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,250.18 : 981,614.91 = 466,440.81 : x
  2. Step 2: Convert to fraction form
    711,250.18/981,614.91 = 466,440.81/x
  3. Step 3: Cross multiply
    711,250.18x = 981,614.91 × 466,440.81
  4. Step 4: Simplify right side
    711,250.18x = 457,865,256,402.78
  5. Step 5: Solve for x
    x = 457,865,256,402.78/711,250.18
  6. Step 6: Final answer
    x = 643,747.13

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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.