Home / 1,136,628.27-1,568,543.79-627,327

Finding the Fourth Proportional to 1,136,628.27, 1,568,543.79 and 627,327

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Solution

The fourth proportional to 1,136,628.27, 1,568,543.79 and 627,327 is: 865,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,628.27 : 1,568,543.79 = 627,327 : x
  2. Step 2: Convert to fraction form
    1,136,628.27/1,568,543.79 = 627,327/x
  3. Step 3: Cross multiply
    1,136,628.27x = 1,568,543.79 × 627,327
  4. Step 4: Simplify right side
    1,136,628.27x = 983,989,870,149.33
  5. Step 5: Solve for x
    x = 983,989,870,149.33/1,136,628.27
  6. Step 6: Final answer
    x = 865,709.48

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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.