Home / 769,150.45-1,061,423.56-425,010.11

Finding the Fourth Proportional to 769,150.45, 1,061,423.56 and 425,010.11

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Solution

The fourth proportional to 769,150.45, 1,061,423.56 and 425,010.11 is: 586,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,150.45 : 1,061,423.56 = 425,010.11 : x
  2. Step 2: Convert to fraction form
    769,150.45/1,061,423.56 = 425,010.11/x
  3. Step 3: Cross multiply
    769,150.45x = 1,061,423.56 × 425,010.11
  4. Step 4: Simplify right side
    769,150.45x = 451,115,743,992.19
  5. Step 5: Solve for x
    x = 451,115,743,992.19/769,150.45
  6. Step 6: Final answer
    x = 586,511.71

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