Home / 418,001.21-576,845.06-227,015.97

Finding the Fourth Proportional to 418,001.21, 576,845.06 and 227,015.97

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Solution

The fourth proportional to 418,001.21, 576,845.06 and 227,015.97 is: 313,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,001.21 : 576,845.06 = 227,015.97 : x
  2. Step 2: Convert to fraction form
    418,001.21/576,845.06 = 227,015.97/x
  3. Step 3: Cross multiply
    418,001.21x = 576,845.06 × 227,015.97
  4. Step 4: Simplify right side
    418,001.21x = 130,953,040,835.61
  5. Step 5: Solve for x
    x = 130,953,040,835.61/418,001.21
  6. Step 6: Final answer
    x = 313,283.88

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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.