Home / 624,621.06-861,977.33-338,141.13

Finding the Fourth Proportional to 624,621.06, 861,977.33 and 338,141.13

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Solution

The fourth proportional to 624,621.06, 861,977.33 and 338,141.13 is: 466,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,621.06 : 861,977.33 = 338,141.13 : x
  2. Step 2: Convert to fraction form
    624,621.06/861,977.33 = 338,141.13/x
  3. Step 3: Cross multiply
    624,621.06x = 861,977.33 × 338,141.13
  4. Step 4: Simplify right side
    624,621.06x = 291,469,982,399.99
  5. Step 5: Solve for x
    x = 291,469,982,399.99/624,621.06
  6. Step 6: Final answer
    x = 466,634.90

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1.5x scale

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.