Home / 578,488.62-867,751.40-179,132.85

Finding the Fourth Proportional to 578,488.62, 867,751.40 and 179,132.85

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Solution

The fourth proportional to 578,488.62, 867,751.40 and 179,132.85 is: 268,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,488.62 : 867,751.40 = 179,132.85 : x
  2. Step 2: Convert to fraction form
    578,488.62/867,751.40 = 179,132.85/x
  3. Step 3: Cross multiply
    578,488.62x = 867,751.40 × 179,132.85
  4. Step 4: Simplify right side
    578,488.62x = 155,442,781,821.32
  5. Step 5: Solve for x
    x = 155,442,781,821.32/578,488.62
  6. Step 6: Final answer
    x = 268,704.99

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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.