Home / 327,566.46-488,410.29-321,587.75

Finding the Fourth Proportional to 327,566.46, 488,410.29 and 321,587.75

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Solution

The fourth proportional to 327,566.46, 488,410.29 and 321,587.75 is: 479,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,566.46 : 488,410.29 = 321,587.75 : x
  2. Step 2: Convert to fraction form
    327,566.46/488,410.29 = 321,587.75/x
  3. Step 3: Cross multiply
    327,566.46x = 488,410.29 × 321,587.75
  4. Step 4: Simplify right side
    327,566.46x = 157,066,767,458.97
  5. Step 5: Solve for x
    x = 157,066,767,458.97/327,566.46
  6. Step 6: Final answer
    x = 479,495.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.