Home / 380,781.18-525,308.92-244,789.88

Finding the Fourth Proportional to 380,781.18, 525,308.92 and 244,789.88

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Solution

The fourth proportional to 380,781.18, 525,308.92 and 244,789.88 is: 337,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,781.18 : 525,308.92 = 244,789.88 : x
  2. Step 2: Convert to fraction form
    380,781.18/525,308.92 = 244,789.88/x
  3. Step 3: Cross multiply
    380,781.18x = 525,308.92 × 244,789.88
  4. Step 4: Simplify right side
    380,781.18x = 128,590,307,489.73
  5. Step 5: Solve for x
    x = 128,590,307,489.73/380,781.18
  6. Step 6: Final answer
    x = 337,701.32

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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.