Home / 387,276.21-534,353.85-234,310.59

Finding the Fourth Proportional to 387,276.21, 534,353.85 and 234,310.59

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Solution

The fourth proportional to 387,276.21, 534,353.85 and 234,310.59 is: 323,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,276.21 : 534,353.85 = 234,310.59 : x
  2. Step 2: Convert to fraction form
    387,276.21/534,353.85 = 234,310.59/x
  3. Step 3: Cross multiply
    387,276.21x = 534,353.85 × 234,310.59
  4. Step 4: Simplify right side
    387,276.21x = 125,204,765,862.27
  5. Step 5: Solve for x
    x = 125,204,765,862.27/387,276.21
  6. Step 6: Final answer
    x = 323,295.78

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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.