Home / 1,136,946.82-1,568,976.98-627,638.26

Finding the Fourth Proportional to 1,136,946.82, 1,568,976.98 and 627,638.26

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Solution

The fourth proportional to 1,136,946.82, 1,568,976.98 and 627,638.26 is: 866,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,946.82 : 1,568,976.98 = 627,638.26 : x
  2. Step 2: Convert to fraction form
    1,136,946.82/1,568,976.98 = 627,638.26/x
  3. Step 3: Cross multiply
    1,136,946.82x = 1,568,976.98 × 627,638.26
  4. Step 4: Simplify right side
    1,136,946.82x = 984,749,981,707.26
  5. Step 5: Solve for x
    x = 984,749,981,707.26/1,136,946.82
  6. Step 6: Final answer
    x = 866,135.48

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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.