Home / 945,872.39-1,305,331.66-516,180.25

Finding the Fourth Proportional to 945,872.39, 1,305,331.66 and 516,180.25

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Solution

The fourth proportional to 945,872.39, 1,305,331.66 and 516,180.25 is: 712,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,872.39 : 1,305,331.66 = 516,180.25 : x
  2. Step 2: Convert to fraction form
    945,872.39/1,305,331.66 = 516,180.25/x
  3. Step 3: Cross multiply
    945,872.39x = 1,305,331.66 × 516,180.25
  4. Step 4: Simplify right side
    945,872.39x = 673,786,419,973.61
  5. Step 5: Solve for x
    x = 673,786,419,973.61/945,872.39
  6. Step 6: Final answer
    x = 712,343.89

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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.