Home / 392,360.54-541,475.35-231,222.38

Finding the Fourth Proportional to 392,360.54, 541,475.35 and 231,222.38

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Solution

The fourth proportional to 392,360.54, 541,475.35 and 231,222.38 is: 319,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,360.54 : 541,475.35 = 231,222.38 : x
  2. Step 2: Convert to fraction form
    392,360.54/541,475.35 = 231,222.38/x
  3. Step 3: Cross multiply
    392,360.54x = 541,475.35 × 231,222.38
  4. Step 4: Simplify right side
    392,360.54x = 125,201,219,138.33
  5. Step 5: Solve for x
    x = 125,201,219,138.33/392,360.54
  6. Step 6: Final answer
    x = 319,097.38

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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.