Home / 392,678.52-541,884.24-231,543.60

Finding the Fourth Proportional to 392,678.52, 541,884.24 and 231,543.60

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Solution

The fourth proportional to 392,678.52, 541,884.24 and 231,543.60 is: 319,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,678.52 : 541,884.24 = 231,543.60 : x
  2. Step 2: Convert to fraction form
    392,678.52/541,884.24 = 231,543.60/x
  3. Step 3: Cross multiply
    392,678.52x = 541,884.24 × 231,543.60
  4. Step 4: Simplify right side
    392,678.52x = 125,469,827,712.86
  5. Step 5: Solve for x
    x = 125,469,827,712.86/392,678.52
  6. Step 6: Final answer
    x = 319,523.02

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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.