Home / 951,157.80-1,312,614.66-515,589.42

Finding the Fourth Proportional to 951,157.80, 1,312,614.66 and 515,589.42

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Solution

The fourth proportional to 951,157.80, 1,312,614.66 and 515,589.42 is: 711,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,157.80 : 1,312,614.66 = 515,589.42 : x
  2. Step 2: Convert to fraction form
    951,157.80/1,312,614.66 = 515,589.42/x
  3. Step 3: Cross multiply
    951,157.80x = 1,312,614.66 × 515,589.42
  4. Step 4: Simplify right side
    951,157.80x = 676,770,231,232.90
  5. Step 5: Solve for x
    x = 676,770,231,232.90/951,157.80
  6. Step 6: Final answer
    x = 711,522.56

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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.