Home / 418,736.21-577,850.58-227,749.61

Finding the Fourth Proportional to 418,736.21, 577,850.58 and 227,749.61

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Solution

The fourth proportional to 418,736.21, 577,850.58 and 227,749.61 is: 314,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,736.21 : 577,850.58 = 227,749.61 : x
  2. Step 2: Convert to fraction form
    418,736.21/577,850.58 = 227,749.61/x
  3. Step 3: Cross multiply
    418,736.21x = 577,850.58 × 227,749.61
  4. Step 4: Simplify right side
    418,736.21x = 131,605,244,233.27
  5. Step 5: Solve for x
    x = 131,605,244,233.27/418,736.21
  6. Step 6: Final answer
    x = 314,291.53

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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.