Home / 1,136,730.78-1,568,688.57-627,433.26

Finding the Fourth Proportional to 1,136,730.78, 1,568,688.57 and 627,433.26

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Solution

The fourth proportional to 1,136,730.78, 1,568,688.57 and 627,433.26 is: 865,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,730.78 : 1,568,688.57 = 627,433.26 : x
  2. Step 2: Convert to fraction form
    1,136,730.78/1,568,688.57 = 627,433.26/x
  3. Step 3: Cross multiply
    1,136,730.78x = 1,568,688.57 × 627,433.26
  4. Step 4: Simplify right side
    1,136,730.78x = 984,247,383,399.84
  5. Step 5: Solve for x
    x = 984,247,383,399.84/1,136,730.78
  6. Step 6: Final answer
    x = 865,857.95

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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.