Home / 770,351.72-1,063,231.31-516,144.56

Finding the Fourth Proportional to 770,351.72, 1,063,231.31 and 516,144.56

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Solution

The fourth proportional to 770,351.72, 1,063,231.31 and 516,144.56 is: 712,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,351.72 : 1,063,231.31 = 516,144.56 : x
  2. Step 2: Convert to fraction form
    770,351.72/1,063,231.31 = 516,144.56/x
  3. Step 3: Cross multiply
    770,351.72x = 1,063,231.31 × 516,144.56
  4. Step 4: Simplify right side
    770,351.72x = 548,781,052,652.38
  5. Step 5: Solve for x
    x = 548,781,052,652.38/770,351.72
  6. Step 6: Final answer
    x = 712,377.27

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Double scale
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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.