Home / 1,136,970.12-1,568,977.65-627,661.56

Finding the Fourth Proportional to 1,136,970.12, 1,568,977.65 and 627,661.56

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Solution

The fourth proportional to 1,136,970.12, 1,568,977.65 and 627,661.56 is: 866,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,970.12 : 1,568,977.65 = 627,661.56 : x
  2. Step 2: Convert to fraction form
    1,136,970.12/1,568,977.65 = 627,661.56/x
  3. Step 3: Cross multiply
    1,136,970.12x = 1,568,977.65 × 627,661.56
  4. Step 4: Simplify right side
    1,136,970.12x = 984,786,959,404.13
  5. Step 5: Solve for x
    x = 984,786,959,404.13/1,136,970.12
  6. Step 6: Final answer
    x = 866,150.26

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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.