Home / 372,974.20-558,149.10-341,481.40

Finding the Fourth Proportional to 372,974.20, 558,149.10 and 341,481.40

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Solution

The fourth proportional to 372,974.20, 558,149.10 and 341,481.40 is: 511,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,974.20 : 558,149.10 = 341,481.40 : x
  2. Step 2: Convert to fraction form
    372,974.20/558,149.10 = 341,481.40/x
  3. Step 3: Cross multiply
    372,974.20x = 558,149.10 × 341,481.40
  4. Step 4: Simplify right side
    372,974.20x = 190,597,536,076.74
  5. Step 5: Solve for x
    x = 190,597,536,076.74/372,974.20
  6. Step 6: Final answer
    x = 511,020.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.