Home / 1,136,780.36-1,568,645.19-627,449.93

Finding the Fourth Proportional to 1,136,780.36, 1,568,645.19 and 627,449.93

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Solution

The fourth proportional to 1,136,780.36, 1,568,645.19 and 627,449.93 is: 865,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,780.36 : 1,568,645.19 = 627,449.93 : x
  2. Step 2: Convert to fraction form
    1,136,780.36/1,568,645.19 = 627,449.93/x
  3. Step 3: Cross multiply
    1,136,780.36x = 1,568,645.19 × 627,449.93
  4. Step 4: Simplify right side
    1,136,780.36x = 984,246,306,817.11
  5. Step 5: Solve for x
    x = 984,246,306,817.11/1,136,780.36
  6. Step 6: Final answer
    x = 865,819.24

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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.