Home / 428,116.26-590,800.48-237,141.92

Finding the Fourth Proportional to 428,116.26, 590,800.48 and 237,141.92

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Solution

The fourth proportional to 428,116.26, 590,800.48 and 237,141.92 is: 327,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,116.26 : 590,800.48 = 237,141.92 : x
  2. Step 2: Convert to fraction form
    428,116.26/590,800.48 = 237,141.92/x
  3. Step 3: Cross multiply
    428,116.26x = 590,800.48 × 237,141.92
  4. Step 4: Simplify right side
    428,116.26x = 140,103,560,164.12
  5. Step 5: Solve for x
    x = 140,103,560,164.12/428,116.26
  6. Step 6: Final answer
    x = 327,255.87

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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.