Home / 694,165.08-1,040,059.32-378,843.42

Finding the Fourth Proportional to 694,165.08, 1,040,059.32 and 378,843.42

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Solution

The fourth proportional to 694,165.08, 1,040,059.32 and 378,843.42 is: 567,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,165.08 : 1,040,059.32 = 378,843.42 : x
  2. Step 2: Convert to fraction form
    694,165.08/1,040,059.32 = 378,843.42/x
  3. Step 3: Cross multiply
    694,165.08x = 1,040,059.32 × 378,843.42
  4. Step 4: Simplify right side
    694,165.08x = 394,019,629,791.67
  5. Step 5: Solve for x
    x = 394,019,629,791.67/694,165.08
  6. Step 6: Final answer
    x = 567,616.61

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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.