Home / 1,127,860.92-1,691,763.26-329,149.38

Finding the Fourth Proportional to 1,127,860.92, 1,691,763.26 and 329,149.38

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Solution

The fourth proportional to 1,127,860.92, 1,691,763.26 and 329,149.38 is: 493,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,860.92 : 1,691,763.26 = 329,149.38 : x
  2. Step 2: Convert to fraction form
    1,127,860.92/1,691,763.26 = 329,149.38/x
  3. Step 3: Cross multiply
    1,127,860.92x = 1,691,763.26 × 329,149.38
  4. Step 4: Simplify right side
    1,127,860.92x = 556,842,828,135.78
  5. Step 5: Solve for x
    x = 556,842,828,135.78/1,127,860.92
  6. Step 6: Final answer
    x = 493,715.86

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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.