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Finding the Fourth Proportional to 981,793.46, 1,354,883.04 and 552,069.83

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Solution

The fourth proportional to 981,793.46, 1,354,883.04 and 552,069.83 is: 761,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,793.46 : 1,354,883.04 = 552,069.83 : x
  2. Step 2: Convert to fraction form
    981,793.46/1,354,883.04 = 552,069.83/x
  3. Step 3: Cross multiply
    981,793.46x = 1,354,883.04 × 552,069.83
  4. Step 4: Simplify right side
    981,793.46x = 747,990,042,788.27
  5. Step 5: Solve for x
    x = 747,990,042,788.27/981,793.46
  6. Step 6: Final answer
    x = 761,860.90

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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.