Home / 1,136,689.20-1,568,628.12-627,388.08

Finding the Fourth Proportional to 1,136,689.20, 1,568,628.12 and 627,388.08

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Solution

The fourth proportional to 1,136,689.20, 1,568,628.12 and 627,388.08 is: 865,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,689.20 : 1,568,628.12 = 627,388.08 : x
  2. Step 2: Convert to fraction form
    1,136,689.20/1,568,628.12 = 627,388.08/x
  3. Step 3: Cross multiply
    1,136,689.20x = 1,568,628.12 × 627,388.08
  4. Step 4: Simplify right side
    1,136,689.20x = 984,138,584,440.81
  5. Step 5: Solve for x
    x = 984,138,584,440.81/1,136,689.20
  6. Step 6: Final answer
    x = 865,793.91

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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.