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Finding the Fourth Proportional to 951,789.87, 1,424,879.94 and 833,691.87

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Solution

The fourth proportional to 951,789.87, 1,424,879.94 and 833,691.87 is: 1,248,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,789.87 : 1,424,879.94 = 833,691.87 : x
  2. Step 2: Convert to fraction form
    951,789.87/1,424,879.94 = 833,691.87/x
  3. Step 3: Cross multiply
    951,789.87x = 1,424,879.94 × 833,691.87
  4. Step 4: Simplify right side
    951,789.87x = 1,187,910,821,704.09
  5. Step 5: Solve for x
    x = 1,187,910,821,704.09/951,789.87
  6. Step 6: Final answer
    x = 1,248,080.97

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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.