Home / 945,872.45-1,305,331.75-516,180.31

Finding the Fourth Proportional to 945,872.45, 1,305,331.75 and 516,180.31

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Solution

The fourth proportional to 945,872.45, 1,305,331.75 and 516,180.31 is: 712,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,872.45 : 1,305,331.75 = 516,180.31 : x
  2. Step 2: Convert to fraction form
    945,872.45/1,305,331.75 = 516,180.31/x
  3. Step 3: Cross multiply
    945,872.45x = 1,305,331.75 × 516,180.31
  4. Step 4: Simplify right side
    945,872.45x = 673,786,546,077.39
  5. Step 5: Solve for x
    x = 673,786,546,077.39/945,872.45
  6. Step 6: Final answer
    x = 712,343.98

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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.