Home / 1,172,351.52-1,618,149.18-663,349.14

Finding the Fourth Proportional to 1,172,351.52, 1,618,149.18 and 663,349.14

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Solution

The fourth proportional to 1,172,351.52, 1,618,149.18 and 663,349.14 is: 915,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,351.52 : 1,618,149.18 = 663,349.14 : x
  2. Step 2: Convert to fraction form
    1,172,351.52/1,618,149.18 = 663,349.14/x
  3. Step 3: Cross multiply
    1,172,351.52x = 1,618,149.18 × 663,349.14
  4. Step 4: Simplify right side
    1,172,351.52x = 1,073,397,866,944.71
  5. Step 5: Solve for x
    x = 1,073,397,866,944.71/1,172,351.52
  6. Step 6: Final answer
    x = 915,593.87

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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.