Home / 327,947.36-451,614.49-284,907.20

Finding the Fourth Proportional to 327,947.36, 451,614.49 and 284,907.20

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Solution

The fourth proportional to 327,947.36, 451,614.49 and 284,907.20 is: 392,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,947.36 : 451,614.49 = 284,907.20 : x
  2. Step 2: Convert to fraction form
    327,947.36/451,614.49 = 284,907.20/x
  3. Step 3: Cross multiply
    327,947.36x = 451,614.49 × 284,907.20
  4. Step 4: Simplify right side
    327,947.36x = 128,668,216,854.99
  5. Step 5: Solve for x
    x = 128,668,216,854.99/327,947.36
  6. Step 6: Final answer
    x = 392,344.12

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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.