Home / 555,731.15-766,909.75-301,082.34

Finding the Fourth Proportional to 555,731.15, 766,909.75 and 301,082.34

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Solution

The fourth proportional to 555,731.15, 766,909.75 and 301,082.34 is: 415,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,731.15 : 766,909.75 = 301,082.34 : x
  2. Step 2: Convert to fraction form
    555,731.15/766,909.75 = 301,082.34/x
  3. Step 3: Cross multiply
    555,731.15x = 766,909.75 × 301,082.34
  4. Step 4: Simplify right side
    555,731.15x = 230,902,982,098.82
  5. Step 5: Solve for x
    x = 230,902,982,098.82/555,731.15
  6. Step 6: Final answer
    x = 415,494.04

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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.