Home / 441,621.20-609,439.56-240,418.64

Finding the Fourth Proportional to 441,621.20, 609,439.56 and 240,418.64

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Solution

The fourth proportional to 441,621.20, 609,439.56 and 240,418.64 is: 331,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,621.20 : 609,439.56 = 240,418.64 : x
  2. Step 2: Convert to fraction form
    441,621.20/609,439.56 = 240,418.64/x
  3. Step 3: Cross multiply
    441,621.20x = 609,439.56 × 240,418.64
  4. Step 4: Simplify right side
    441,621.20x = 146,520,630,177.40
  5. Step 5: Solve for x
    x = 146,520,630,177.40/441,621.20
  6. Step 6: Final answer
    x = 331,778.98

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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.