Home / 865,750.91-1,194,713.31-483,780.83

Finding the Fourth Proportional to 865,750.91, 1,194,713.31 and 483,780.83

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Solution

The fourth proportional to 865,750.91, 1,194,713.31 and 483,780.83 is: 667,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,750.91 : 1,194,713.31 = 483,780.83 : x
  2. Step 2: Convert to fraction form
    865,750.91/1,194,713.31 = 483,780.83/x
  3. Step 3: Cross multiply
    865,750.91x = 1,194,713.31 × 483,780.83
  4. Step 4: Simplify right side
    865,750.91x = 577,979,396,723.85
  5. Step 5: Solve for x
    x = 577,979,396,723.85/865,750.91
  6. Step 6: Final answer
    x = 667,604.72

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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.