Home / 428,270.28-591,036.92-244,563.09

Finding the Fourth Proportional to 428,270.28, 591,036.92 and 244,563.09

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Solution

The fourth proportional to 428,270.28, 591,036.92 and 244,563.09 is: 337,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,270.28 : 591,036.92 = 244,563.09 : x
  2. Step 2: Convert to fraction form
    428,270.28/591,036.92 = 244,563.09/x
  3. Step 3: Cross multiply
    428,270.28x = 591,036.92 × 244,563.09
  4. Step 4: Simplify right side
    428,270.28x = 144,545,815,459.28
  5. Step 5: Solve for x
    x = 144,545,815,459.28/428,270.28
  6. Step 6: Final answer
    x = 337,510.73

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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.