Home / 955,077.72-1,432,793.76-315,425.78

Finding the Fourth Proportional to 955,077.72, 1,432,793.76 and 315,425.78

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Solution

The fourth proportional to 955,077.72, 1,432,793.76 and 315,425.78 is: 473,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,077.72 : 1,432,793.76 = 315,425.78 : x
  2. Step 2: Convert to fraction form
    955,077.72/1,432,793.76 = 315,425.78/x
  3. Step 3: Cross multiply
    955,077.72x = 1,432,793.76 × 315,425.78
  4. Step 4: Simplify right side
    955,077.72x = 451,940,089,327.13
  5. Step 5: Solve for x
    x = 451,940,089,327.13/955,077.72
  6. Step 6: Final answer
    x = 473,197.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.