Home / 551,629.20-827,249.40-196,654.80

Finding the Fourth Proportional to 551,629.20, 827,249.40 and 196,654.80

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Solution

The fourth proportional to 551,629.20, 827,249.40 and 196,654.80 is: 294,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,629.20 : 827,249.40 = 196,654.80 : x
  2. Step 2: Convert to fraction form
    551,629.20/827,249.40 = 196,654.80/x
  3. Step 3: Cross multiply
    551,629.20x = 827,249.40 × 196,654.80
  4. Step 4: Simplify right side
    551,629.20x = 162,682,565,307.12
  5. Step 5: Solve for x
    x = 162,682,565,307.12/551,629.20
  6. Step 6: Final answer
    x = 294,912.90

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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.