Home / 327,859.08-491,023.18-252,380.32

Finding the Fourth Proportional to 327,859.08, 491,023.18 and 252,380.32

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Solution

The fourth proportional to 327,859.08, 491,023.18 and 252,380.32 is: 377,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,859.08 : 491,023.18 = 252,380.32 : x
  2. Step 2: Convert to fraction form
    327,859.08/491,023.18 = 252,380.32/x
  3. Step 3: Cross multiply
    327,859.08x = 491,023.18 × 252,380.32
  4. Step 4: Simplify right side
    327,859.08x = 123,924,587,295.82
  5. Step 5: Solve for x
    x = 123,924,587,295.82/327,859.08
  6. Step 6: Final answer
    x = 377,981.26

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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.