Home / 327,621.45-452,257.10-220,253.75

Finding the Fourth Proportional to 327,621.45, 452,257.10 and 220,253.75

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Solution

The fourth proportional to 327,621.45, 452,257.10 and 220,253.75 is: 304,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,621.45 : 452,257.10 = 220,253.75 : x
  2. Step 2: Convert to fraction form
    327,621.45/452,257.10 = 220,253.75/x
  3. Step 3: Cross multiply
    327,621.45x = 452,257.10 × 220,253.75
  4. Step 4: Simplify right side
    327,621.45x = 99,611,322,268.50
  5. Step 5: Solve for x
    x = 99,611,322,268.50/327,621.45
  6. Step 6: Final answer
    x = 304,043.96

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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.