Home / 327,546.78-451,624.56-219,888.06

Finding the Fourth Proportional to 327,546.78, 451,624.56 and 219,888.06

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Solution

The fourth proportional to 327,546.78, 451,624.56 and 219,888.06 is: 303,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,546.78 : 451,624.56 = 219,888.06 : x
  2. Step 2: Convert to fraction form
    327,546.78/451,624.56 = 219,888.06/x
  3. Step 3: Cross multiply
    327,546.78x = 451,624.56 × 219,888.06
  4. Step 4: Simplify right side
    327,546.78x = 99,306,848,346.75
  5. Step 5: Solve for x
    x = 99,306,848,346.75/327,546.78
  6. Step 6: Final answer
    x = 303,183.71

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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.