Home / 1,381,792.77-1,906,845.30-769,943.07

Finding the Fourth Proportional to 1,381,792.77, 1,906,845.30 and 769,943.07

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Solution

The fourth proportional to 1,381,792.77, 1,906,845.30 and 769,943.07 is: 1,062,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,792.77 : 1,906,845.30 = 769,943.07 : x
  2. Step 2: Convert to fraction form
    1,381,792.77/1,906,845.30 = 769,943.07/x
  3. Step 3: Cross multiply
    1,381,792.77x = 1,906,845.30 × 769,943.07
  4. Step 4: Simplify right side
    1,381,792.77x = 1,468,162,324,297.07
  5. Step 5: Solve for x
    x = 1,468,162,324,297.07/1,381,792.77
  6. Step 6: Final answer
    x = 1,062,505.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.