Home / 1,136,685.20-1,568,622.60-627,384.08

Finding the Fourth Proportional to 1,136,685.20, 1,568,622.60 and 627,384.08

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Solution

The fourth proportional to 1,136,685.20, 1,568,622.60 and 627,384.08 is: 865,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,685.20 : 1,568,622.60 = 627,384.08 : x
  2. Step 2: Convert to fraction form
    1,136,685.20/1,568,622.60 = 627,384.08/x
  3. Step 3: Cross multiply
    1,136,685.20x = 1,568,622.60 × 627,384.08
  4. Step 4: Simplify right side
    1,136,685.20x = 984,128,846,768.21
  5. Step 5: Solve for x
    x = 984,128,846,768.21/1,136,685.20
  6. Step 6: Final answer
    x = 865,788.39

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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.