Home / 945,810.91-1,305,250.56-516,114.61

Finding the Fourth Proportional to 945,810.91, 1,305,250.56 and 516,114.61

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Solution

The fourth proportional to 945,810.91, 1,305,250.56 and 516,114.61 is: 712,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,810.91 : 1,305,250.56 = 516,114.61 : x
  2. Step 2: Convert to fraction form
    945,810.91/1,305,250.56 = 516,114.61/x
  3. Step 3: Cross multiply
    945,810.91x = 1,305,250.56 × 516,114.61
  4. Step 4: Simplify right side
    945,810.91x = 673,658,883,726.68
  5. Step 5: Solve for x
    x = 673,658,883,726.68/945,810.91
  6. Step 6: Final answer
    x = 712,255.35

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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.