Home / 392,377.23-541,498.37-231,239.07

Finding the Fourth Proportional to 392,377.23, 541,498.37 and 231,239.07

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Solution

The fourth proportional to 392,377.23, 541,498.37 and 231,239.07 is: 319,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,377.23 : 541,498.37 = 231,239.07 : x
  2. Step 2: Convert to fraction form
    392,377.23/541,498.37 = 231,239.07/x
  3. Step 3: Cross multiply
    392,377.23x = 541,498.37 × 231,239.07
  4. Step 4: Simplify right side
    392,377.23x = 125,215,578,329.12
  5. Step 5: Solve for x
    x = 125,215,578,329.12/392,377.23
  6. Step 6: Final answer
    x = 319,120.40

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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.