Home / 945,809.91-1,305,249.18-516,113.61

Finding the Fourth Proportional to 945,809.91, 1,305,249.18 and 516,113.61

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Solution

The fourth proportional to 945,809.91, 1,305,249.18 and 516,113.61 is: 712,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,809.91 : 1,305,249.18 = 516,113.61 : x
  2. Step 2: Convert to fraction form
    945,809.91/1,305,249.18 = 516,113.61/x
  3. Step 3: Cross multiply
    945,809.91x = 1,305,249.18 × 516,113.61
  4. Step 4: Simplify right side
    945,809.91x = 673,656,866,239.34
  5. Step 5: Solve for x
    x = 673,656,866,239.34/945,809.91
  6. Step 6: Final answer
    x = 712,253.97

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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.