Home / 769,193.50-1,061,464.68-425,023.96

Finding the Fourth Proportional to 769,193.50, 1,061,464.68 and 425,023.96

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Solution

The fourth proportional to 769,193.50, 1,061,464.68 and 425,023.96 is: 586,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,193.50 : 1,061,464.68 = 425,023.96 : x
  2. Step 2: Convert to fraction form
    769,193.50/1,061,464.68 = 425,023.96/x
  3. Step 3: Cross multiply
    769,193.50x = 1,061,464.68 × 425,023.96
  4. Step 4: Simplify right side
    769,193.50x = 451,147,921,693.73
  5. Step 5: Solve for x
    x = 451,147,921,693.73/769,193.50
  6. Step 6: Final answer
    x = 586,520.72

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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.