Home / 1,136,786.77-1,568,765.50-627,489.01

Finding the Fourth Proportional to 1,136,786.77, 1,568,765.50 and 627,489.01

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Solution

The fourth proportional to 1,136,786.77, 1,568,765.50 and 627,489.01 is: 865,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,786.77 : 1,568,765.50 = 627,489.01 : x
  2. Step 2: Convert to fraction form
    1,136,786.77/1,568,765.50 = 627,489.01/x
  3. Step 3: Cross multiply
    1,136,786.77x = 1,568,765.50 × 627,489.01
  4. Step 4: Simplify right side
    1,136,786.77x = 984,383,110,517.16
  5. Step 5: Solve for x
    x = 984,383,110,517.16/1,136,786.77
  6. Step 6: Final answer
    x = 865,934.70

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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.