Home / 981,526.60-1,472,387.10-341,731.90

Finding the Fourth Proportional to 981,526.60, 1,472,387.10 and 341,731.90

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Solution

The fourth proportional to 981,526.60, 1,472,387.10 and 341,731.90 is: 512,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,526.60 : 1,472,387.10 = 341,731.90 : x
  2. Step 2: Convert to fraction form
    981,526.60/1,472,387.10 = 341,731.90/x
  3. Step 3: Cross multiply
    981,526.60x = 1,472,387.10 × 341,731.90
  4. Step 4: Simplify right side
    981,526.60x = 503,161,641,218.49
  5. Step 5: Solve for x
    x = 503,161,641,218.49/981,526.60
  6. Step 6: Final answer
    x = 512,631.69

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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.