Home / 580,315.92-869,948.64-206,251.44

Finding the Fourth Proportional to 580,315.92, 869,948.64 and 206,251.44

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Solution

The fourth proportional to 580,315.92, 869,948.64 and 206,251.44 is: 309,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,315.92 : 869,948.64 = 206,251.44 : x
  2. Step 2: Convert to fraction form
    580,315.92/869,948.64 = 206,251.44/x
  3. Step 3: Cross multiply
    580,315.92x = 869,948.64 × 206,251.44
  4. Step 4: Simplify right side
    580,315.92x = 179,428,159,726.04
  5. Step 5: Solve for x
    x = 179,428,159,726.04/580,315.92
  6. Step 6: Final answer
    x = 309,190.48

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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.