Home / 1,172,542.76-1,617,972.81-656,325.41

Finding the Fourth Proportional to 1,172,542.76, 1,617,972.81 and 656,325.41

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Solution

The fourth proportional to 1,172,542.76, 1,617,972.81 and 656,325.41 is: 905,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,542.76 : 1,617,972.81 = 656,325.41 : x
  2. Step 2: Convert to fraction form
    1,172,542.76/1,617,972.81 = 656,325.41/x
  3. Step 3: Cross multiply
    1,172,542.76x = 1,617,972.81 × 656,325.41
  4. Step 4: Simplify right side
    1,172,542.76x = 1,061,916,667,892.10
  5. Step 5: Solve for x
    x = 1,061,916,667,892.10/1,172,542.76
  6. Step 6: Final answer
    x = 905,652.83

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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.