Home / 512,335.04-768,539.44-196,791.92

Finding the Fourth Proportional to 512,335.04, 768,539.44 and 196,791.92

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Solution

The fourth proportional to 512,335.04, 768,539.44 and 196,791.92 is: 295,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,335.04 : 768,539.44 = 196,791.92 : x
  2. Step 2: Convert to fraction form
    512,335.04/768,539.44 = 196,791.92/x
  3. Step 3: Cross multiply
    512,335.04x = 768,539.44 × 196,791.92
  4. Step 4: Simplify right side
    512,335.04x = 151,242,351,993.33
  5. Step 5: Solve for x
    x = 151,242,351,993.33/512,335.04
  6. Step 6: Final answer
    x = 295,202.05

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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.