Home / 1,136,640.34-1,568,556.10-627,342.72

Finding the Fourth Proportional to 1,136,640.34, 1,568,556.10 and 627,342.72

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Solution

The fourth proportional to 1,136,640.34, 1,568,556.10 and 627,342.72 is: 865,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,640.34 : 1,568,556.10 = 627,342.72 : x
  2. Step 2: Convert to fraction form
    1,136,640.34/1,568,556.10 = 627,342.72/x
  3. Step 3: Cross multiply
    1,136,640.34x = 1,568,556.10 × 627,342.72
  4. Step 4: Simplify right side
    1,136,640.34x = 984,022,250,246.59
  5. Step 5: Solve for x
    x = 984,022,250,246.59/1,136,640.34
  6. Step 6: Final answer
    x = 865,728.78

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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.