Home / 951,540.12-1,313,127.18-521,823.42

Finding the Fourth Proportional to 951,540.12, 1,313,127.18 and 521,823.42

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Solution

The fourth proportional to 951,540.12, 1,313,127.18 and 521,823.42 is: 720,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,540.12 : 1,313,127.18 = 521,823.42 : x
  2. Step 2: Convert to fraction form
    951,540.12/1,313,127.18 = 521,823.42/x
  3. Step 3: Cross multiply
    951,540.12x = 1,313,127.18 × 521,823.42
  4. Step 4: Simplify right side
    951,540.12x = 685,220,515,962.56
  5. Step 5: Solve for x
    x = 685,220,515,962.56/951,540.12
  6. Step 6: Final answer
    x = 720,117.31

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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.