Home / 1,200,760.38-1,657,542.36-814,105.44

Finding the Fourth Proportional to 1,200,760.38, 1,657,542.36 and 814,105.44

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Solution

The fourth proportional to 1,200,760.38, 1,657,542.36 and 814,105.44 is: 1,123,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,760.38 : 1,657,542.36 = 814,105.44 : x
  2. Step 2: Convert to fraction form
    1,200,760.38/1,657,542.36 = 814,105.44/x
  3. Step 3: Cross multiply
    1,200,760.38x = 1,657,542.36 × 814,105.44
  4. Step 4: Simplify right side
    1,200,760.38x = 1,349,414,252,306.44
  5. Step 5: Solve for x
    x = 1,349,414,252,306.44/1,200,760.38
  6. Step 6: Final answer
    x = 1,123,799.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.