Home / 981,633.17-1,472,438.79-383,014.82

Finding the Fourth Proportional to 981,633.17, 1,472,438.79 and 383,014.82

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Solution

The fourth proportional to 981,633.17, 1,472,438.79 and 383,014.82 is: 574,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,633.17 : 1,472,438.79 = 383,014.82 : x
  2. Step 2: Convert to fraction form
    981,633.17/1,472,438.79 = 383,014.82/x
  3. Step 3: Cross multiply
    981,633.17x = 1,472,438.79 × 383,014.82
  4. Step 4: Simplify right side
    981,633.17x = 563,965,881,793.97
  5. Step 5: Solve for x
    x = 563,965,881,793.97/981,633.17
  6. Step 6: Final answer
    x = 574,517.95

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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.