Home / 483,839.60-667,721.42-268,983.24

Finding the Fourth Proportional to 483,839.60, 667,721.42 and 268,983.24

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Solution

The fourth proportional to 483,839.60, 667,721.42 and 268,983.24 is: 371,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,839.60 : 667,721.42 = 268,983.24 : x
  2. Step 2: Convert to fraction form
    483,839.60/667,721.42 = 268,983.24/x
  3. Step 3: Cross multiply
    483,839.60x = 667,721.42 × 268,983.24
  4. Step 4: Simplify right side
    483,839.60x = 179,605,870,969.00
  5. Step 5: Solve for x
    x = 179,605,870,969.00/483,839.60
  6. Step 6: Final answer
    x = 371,209.53

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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.