Home / 945,806.91-1,305,245.04-516,110.61

Finding the Fourth Proportional to 945,806.91, 1,305,245.04 and 516,110.61

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Solution

The fourth proportional to 945,806.91, 1,305,245.04 and 516,110.61 is: 712,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,806.91 : 1,305,245.04 = 516,110.61 : x
  2. Step 2: Convert to fraction form
    945,806.91/1,305,245.04 = 516,110.61/x
  3. Step 3: Cross multiply
    945,806.91x = 1,305,245.04 × 516,110.61
  4. Step 4: Simplify right side
    945,806.91x = 673,650,813,793.87
  5. Step 5: Solve for x
    x = 673,650,813,793.87/945,806.91
  6. Step 6: Final answer
    x = 712,249.83

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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.