Home / 1,136,930.76-1,568,969.46-627,637.32

Finding the Fourth Proportional to 1,136,930.76, 1,568,969.46 and 627,637.32

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Solution

The fourth proportional to 1,136,930.76, 1,568,969.46 and 627,637.32 is: 866,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,930.76 : 1,568,969.46 = 627,637.32 : x
  2. Step 2: Convert to fraction form
    1,136,930.76/1,568,969.46 = 627,637.32/x
  3. Step 3: Cross multiply
    1,136,930.76x = 1,568,969.46 × 627,637.32
  4. Step 4: Simplify right side
    1,136,930.76x = 984,743,787,036.25
  5. Step 5: Solve for x
    x = 984,743,787,036.25/1,136,930.76
  6. Step 6: Final answer
    x = 866,142.27

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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.