Home / 654,234.20-981,351.30-441,657.80

Finding the Fourth Proportional to 654,234.20, 981,351.30 and 441,657.80

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Solution

The fourth proportional to 654,234.20, 981,351.30 and 441,657.80 is: 662,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,234.20 : 981,351.30 = 441,657.80 : x
  2. Step 2: Convert to fraction form
    654,234.20/981,351.30 = 441,657.80/x
  3. Step 3: Cross multiply
    654,234.20x = 981,351.30 × 441,657.80
  4. Step 4: Simplify right side
    654,234.20x = 433,421,456,185.14
  5. Step 5: Solve for x
    x = 433,421,456,185.14/654,234.20
  6. Step 6: Final answer
    x = 662,486.70

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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.