Home / 1,136,767.28-1,568,739-627,469.76

Finding the Fourth Proportional to 1,136,767.28, 1,568,739 and 627,469.76

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Solution

The fourth proportional to 1,136,767.28, 1,568,739 and 627,469.76 is: 865,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,767.28 : 1,568,739 = 627,469.76 : x
  2. Step 2: Convert to fraction form
    1,136,767.28/1,568,739 = 627,469.76/x
  3. Step 3: Cross multiply
    1,136,767.28x = 1,568,739 × 627,469.76
  4. Step 4: Simplify right side
    1,136,767.28x = 984,336,283,832.64
  5. Step 5: Solve for x
    x = 984,336,283,832.64/1,136,767.28
  6. Step 6: Final answer
    x = 865,908.35

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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.