Home / 465,110.72-641,680.56-292,982.48

Finding the Fourth Proportional to 465,110.72, 641,680.56 and 292,982.48

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Solution

The fourth proportional to 465,110.72, 641,680.56 and 292,982.48 is: 404,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,110.72 : 641,680.56 = 292,982.48 : x
  2. Step 2: Convert to fraction form
    465,110.72/641,680.56 = 292,982.48/x
  3. Step 3: Cross multiply
    465,110.72x = 641,680.56 × 292,982.48
  4. Step 4: Simplify right side
    465,110.72x = 188,001,161,836.59
  5. Step 5: Solve for x
    x = 188,001,161,836.59/465,110.72
  6. Step 6: Final answer
    x = 404,207.33

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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.