Home / 465,309.14-641,963.07-304,258.46

Finding the Fourth Proportional to 465,309.14, 641,963.07 and 304,258.46

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Solution

The fourth proportional to 465,309.14, 641,963.07 and 304,258.46 is: 419,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,309.14 : 641,963.07 = 304,258.46 : x
  2. Step 2: Convert to fraction form
    465,309.14/641,963.07 = 304,258.46/x
  3. Step 3: Cross multiply
    465,309.14x = 641,963.07 × 304,258.46
  4. Step 4: Simplify right side
    465,309.14x = 195,322,691,845.26
  5. Step 5: Solve for x
    x = 195,322,691,845.26/465,309.14
  6. Step 6: Final answer
    x = 419,769.73

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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.