Home / 327,824.60-491,736.90-324,714.20

Finding the Fourth Proportional to 327,824.60, 491,736.90 and 324,714.20

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Solution

The fourth proportional to 327,824.60, 491,736.90 and 324,714.20 is: 487,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,824.60 : 491,736.90 = 324,714.20 : x
  2. Step 2: Convert to fraction form
    327,824.60/491,736.90 = 324,714.20/x
  3. Step 3: Cross multiply
    327,824.60x = 491,736.90 × 324,714.20
  4. Step 4: Simplify right side
    327,824.60x = 159,673,954,093.98
  5. Step 5: Solve for x
    x = 159,673,954,093.98/327,824.60
  6. Step 6: Final answer
    x = 487,071.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.