Home / 765,963.50-1,148,945.25-204,983.42

Finding the Fourth Proportional to 765,963.50, 1,148,945.25 and 204,983.42

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Solution

The fourth proportional to 765,963.50, 1,148,945.25 and 204,983.42 is: 307,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,963.50 : 1,148,945.25 = 204,983.42 : x
  2. Step 2: Convert to fraction form
    765,963.50/1,148,945.25 = 204,983.42/x
  3. Step 3: Cross multiply
    765,963.50x = 1,148,945.25 × 204,983.42
  4. Step 4: Simplify right side
    765,963.50x = 235,514,726,737.76
  5. Step 5: Solve for x
    x = 235,514,726,737.76/765,963.50
  6. Step 6: Final answer
    x = 307,475.13

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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.