Home / 981,731.04-1,472,614.98-307,797.39

Finding the Fourth Proportional to 981,731.04, 1,472,614.98 and 307,797.39

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Solution

The fourth proportional to 981,731.04, 1,472,614.98 and 307,797.39 is: 461,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,731.04 : 1,472,614.98 = 307,797.39 : x
  2. Step 2: Convert to fraction form
    981,731.04/1,472,614.98 = 307,797.39/x
  3. Step 3: Cross multiply
    981,731.04x = 1,472,614.98 × 307,797.39
  4. Step 4: Simplify right side
    981,731.04x = 453,267,047,318.90
  5. Step 5: Solve for x
    x = 453,267,047,318.90/981,731.04
  6. Step 6: Final answer
    x = 461,701.86

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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.