Home / 1,906,571.25-2,859,854.31-486,627.48

Finding the Fourth Proportional to 1,906,571.25, 2,859,854.31 and 486,627.48

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Solution

The fourth proportional to 1,906,571.25, 2,859,854.31 and 486,627.48 is: 729,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,571.25 : 2,859,854.31 = 486,627.48 : x
  2. Step 2: Convert to fraction form
    1,906,571.25/2,859,854.31 = 486,627.48/x
  3. Step 3: Cross multiply
    1,906,571.25x = 2,859,854.31 × 486,627.48
  4. Step 4: Simplify right side
    1,906,571.25x = 1,391,683,696,042.44
  5. Step 5: Solve for x
    x = 1,391,683,696,042.44/1,906,571.25
  6. Step 6: Final answer
    x = 729,940.57

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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.