Home / 378,329.24-522,100.14-206,247.30

Finding the Fourth Proportional to 378,329.24, 522,100.14 and 206,247.30

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Solution

The fourth proportional to 378,329.24, 522,100.14 and 206,247.30 is: 284,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,329.24 : 522,100.14 = 206,247.30 : x
  2. Step 2: Convert to fraction form
    378,329.24/522,100.14 = 206,247.30/x
  3. Step 3: Cross multiply
    378,329.24x = 522,100.14 × 206,247.30
  4. Step 4: Simplify right side
    378,329.24x = 107,681,744,204.62
  5. Step 5: Solve for x
    x = 107,681,744,204.62/378,329.24
  6. Step 6: Final answer
    x = 284,624.43

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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.