Home / 769,456.01-1,154,249.64-200,912.56

Finding the Fourth Proportional to 769,456.01, 1,154,249.64 and 200,912.56

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Solution

The fourth proportional to 769,456.01, 1,154,249.64 and 200,912.56 is: 301,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,456.01 : 1,154,249.64 = 200,912.56 : x
  2. Step 2: Convert to fraction form
    769,456.01/1,154,249.64 = 200,912.56/x
  3. Step 3: Cross multiply
    769,456.01x = 1,154,249.64 × 200,912.56
  4. Step 4: Simplify right side
    769,456.01x = 231,903,247,165.85
  5. Step 5: Solve for x
    x = 231,903,247,165.85/769,456.01
  6. Step 6: Final answer
    x = 301,385.97

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1.5x scale

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.