Home / 372,213.60-558,320.40-271,903.20

Finding the Fourth Proportional to 372,213.60, 558,320.40 and 271,903.20

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Solution

The fourth proportional to 372,213.60, 558,320.40 and 271,903.20 is: 407,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,213.60 : 558,320.40 = 271,903.20 : x
  2. Step 2: Convert to fraction form
    372,213.60/558,320.40 = 271,903.20/x
  3. Step 3: Cross multiply
    372,213.60x = 558,320.40 × 271,903.20
  4. Step 4: Simplify right side
    372,213.60x = 151,809,103,385.28
  5. Step 5: Solve for x
    x = 151,809,103,385.28/372,213.60
  6. Step 6: Final answer
    x = 407,854.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.