Home / 981,604.52-1,472,405.66-316,756.52

Finding the Fourth Proportional to 981,604.52, 1,472,405.66 and 316,756.52

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Solution

The fourth proportional to 981,604.52, 1,472,405.66 and 316,756.52 is: 475,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,604.52 : 1,472,405.66 = 316,756.52 : x
  2. Step 2: Convert to fraction form
    981,604.52/1,472,405.66 = 316,756.52/x
  3. Step 3: Cross multiply
    981,604.52x = 1,472,405.66 × 316,756.52
  4. Step 4: Simplify right side
    981,604.52x = 466,394,092,889.90
  5. Step 5: Solve for x
    x = 466,394,092,889.90/981,604.52
  6. Step 6: Final answer
    x = 475,134.42

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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.