Home / 694,226.76-1,040,151.42-378,904.92

Finding the Fourth Proportional to 694,226.76, 1,040,151.42 and 378,904.92

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Solution

The fourth proportional to 694,226.76, 1,040,151.42 and 378,904.92 is: 567,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,226.76 : 1,040,151.42 = 378,904.92 : x
  2. Step 2: Convert to fraction form
    694,226.76/1,040,151.42 = 378,904.92/x
  3. Step 3: Cross multiply
    694,226.76x = 1,040,151.42 × 378,904.92
  4. Step 4: Simplify right side
    694,226.76x = 394,118,490,582.99
  5. Step 5: Solve for x
    x = 394,118,490,582.99/694,226.76
  6. Step 6: Final answer
    x = 567,708.58

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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.