Home / 491,724.60-737,611.20-255,528.60

Finding the Fourth Proportional to 491,724.60, 737,611.20 and 255,528.60

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Solution

The fourth proportional to 491,724.60, 737,611.20 and 255,528.60 is: 383,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,724.60 : 737,611.20 = 255,528.60 : x
  2. Step 2: Convert to fraction form
    491,724.60/737,611.20 = 255,528.60/x
  3. Step 3: Cross multiply
    491,724.60x = 737,611.20 × 255,528.60
  4. Step 4: Simplify right side
    491,724.60x = 188,480,757,280.32
  5. Step 5: Solve for x
    x = 188,480,757,280.32/491,724.60
  6. Step 6: Final answer
    x = 383,305.53

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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.