Home / 578,517.24-868,335.59-279,208.52

Finding the Fourth Proportional to 578,517.24, 868,335.59 and 279,208.52

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Solution

The fourth proportional to 578,517.24, 868,335.59 and 279,208.52 is: 419,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,517.24 : 868,335.59 = 279,208.52 : x
  2. Step 2: Convert to fraction form
    578,517.24/868,335.59 = 279,208.52/x
  3. Step 3: Cross multiply
    578,517.24x = 868,335.59 × 279,208.52
  4. Step 4: Simplify right side
    578,517.24x = 242,446,694,559.83
  5. Step 5: Solve for x
    x = 242,446,694,559.83/578,517.24
  6. Step 6: Final answer
    x = 419,082.92

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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.