Home / 327,620.07-451,990.06-203,382.77

Finding the Fourth Proportional to 327,620.07, 451,990.06 and 203,382.77

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Solution

The fourth proportional to 327,620.07, 451,990.06 and 203,382.77 is: 280,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,620.07 : 451,990.06 = 203,382.77 : x
  2. Step 2: Convert to fraction form
    327,620.07/451,990.06 = 203,382.77/x
  3. Step 3: Cross multiply
    327,620.07x = 451,990.06 × 203,382.77
  4. Step 4: Simplify right side
    327,620.07x = 91,926,987,646.86
  5. Step 5: Solve for x
    x = 91,926,987,646.86/327,620.07
  6. Step 6: Final answer
    x = 280,590.22

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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.