Home / 587,743.38-811,134.18-329,615.37

Finding the Fourth Proportional to 587,743.38, 811,134.18 and 329,615.37

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Solution

The fourth proportional to 587,743.38, 811,134.18 and 329,615.37 is: 454,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,743.38 : 811,134.18 = 329,615.37 : x
  2. Step 2: Convert to fraction form
    587,743.38/811,134.18 = 329,615.37/x
  3. Step 3: Cross multiply
    587,743.38x = 811,134.18 × 329,615.37
  4. Step 4: Simplify right side
    587,743.38x = 267,362,292,860.35
  5. Step 5: Solve for x
    x = 267,362,292,860.35/587,743.38
  6. Step 6: Final answer
    x = 454,896.31

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1.5x scale

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.