Home / 1,136,908.87-1,568,893.12-627,600.31

Finding the Fourth Proportional to 1,136,908.87, 1,568,893.12 and 627,600.31

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Solution

The fourth proportional to 1,136,908.87, 1,568,893.12 and 627,600.31 is: 866,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,908.87 : 1,568,893.12 = 627,600.31 : x
  2. Step 2: Convert to fraction form
    1,136,908.87/1,568,893.12 = 627,600.31/x
  3. Step 3: Cross multiply
    1,136,908.87x = 1,568,893.12 × 627,600.31
  4. Step 4: Simplify right side
    1,136,908.87x = 984,637,808,468.87
  5. Step 5: Solve for x
    x = 984,637,808,468.87/1,136,908.87
  6. Step 6: Final answer
    x = 866,065.73

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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.