Home / 1,906,508-2,859,759.68-486,564.22

Finding the Fourth Proportional to 1,906,508, 2,859,759.68 and 486,564.22

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Solution

The fourth proportional to 1,906,508, 2,859,759.68 and 486,564.22 is: 729,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,508 : 2,859,759.68 = 486,564.22 : x
  2. Step 2: Convert to fraction form
    1,906,508/2,859,759.68 = 486,564.22/x
  3. Step 3: Cross multiply
    1,906,508x = 2,859,759.68 × 486,564.22
  4. Step 4: Simplify right side
    1,906,508x = 1,391,456,738,086.65
  5. Step 5: Solve for x
    x = 1,391,456,738,086.65/1,906,508
  6. Step 6: Final answer
    x = 729,845.74

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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.