Home / 392,319.64-541,441.02-231,226.66

Finding the Fourth Proportional to 392,319.64, 541,441.02 and 231,226.66

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Solution

The fourth proportional to 392,319.64, 541,441.02 and 231,226.66 is: 319,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,319.64 : 541,441.02 = 231,226.66 : x
  2. Step 2: Convert to fraction form
    392,319.64/541,441.02 = 231,226.66/x
  3. Step 3: Cross multiply
    392,319.64x = 541,441.02 × 231,226.66
  4. Step 4: Simplify right side
    392,319.64x = 125,195,598,641.59
  5. Step 5: Solve for x
    x = 125,195,598,641.59/392,319.64
  6. Step 6: Final answer
    x = 319,116.32

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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.