Home / 711,249.79-981,614.59-466,440.53

Finding the Fourth Proportional to 711,249.79, 981,614.59 and 466,440.53

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Solution

The fourth proportional to 711,249.79, 981,614.59 and 466,440.53 is: 643,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,249.79 : 981,614.59 = 466,440.53 : x
  2. Step 2: Convert to fraction form
    711,249.79/981,614.59 = 466,440.53/x
  3. Step 3: Cross multiply
    711,249.79x = 981,614.59 × 466,440.53
  4. Step 4: Simplify right side
    711,249.79x = 457,864,829,615.33
  5. Step 5: Solve for x
    x = 457,864,829,615.33/711,249.79
  6. Step 6: Final answer
    x = 643,746.87

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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.