Home / 392,401.26-541,527.12-231,394.32

Finding the Fourth Proportional to 392,401.26, 541,527.12 and 231,394.32

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Solution

The fourth proportional to 392,401.26, 541,527.12 and 231,394.32 is: 319,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,401.26 : 541,527.12 = 231,394.32 : x
  2. Step 2: Convert to fraction form
    392,401.26/541,527.12 = 231,394.32/x
  3. Step 3: Cross multiply
    392,401.26x = 541,527.12 × 231,394.32
  4. Step 4: Simplify right side
    392,401.26x = 125,306,299,693.96
  5. Step 5: Solve for x
    x = 125,306,299,693.96/392,401.26
  6. Step 6: Final answer
    x = 319,332.05

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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.