Home / 694,174.88-1,040,999.52-378,459.92

Finding the Fourth Proportional to 694,174.88, 1,040,999.52 and 378,459.92

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Solution

The fourth proportional to 694,174.88, 1,040,999.52 and 378,459.92 is: 567,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,174.88 : 1,040,999.52 = 378,459.92 : x
  2. Step 2: Convert to fraction form
    694,174.88/1,040,999.52 = 378,459.92/x
  3. Step 3: Cross multiply
    694,174.88x = 1,040,999.52 × 378,459.92
  4. Step 4: Simplify right side
    694,174.88x = 393,976,595,059.24
  5. Step 5: Solve for x
    x = 393,976,595,059.24/694,174.88
  6. Step 6: Final answer
    x = 567,546.60

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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.