Home / 1,198,186.26-1,797,531.91-388,507.57

Finding the Fourth Proportional to 1,198,186.26, 1,797,531.91 and 388,507.57

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Solution

The fourth proportional to 1,198,186.26, 1,797,531.91 and 388,507.57 is: 582,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,186.26 : 1,797,531.91 = 388,507.57 : x
  2. Step 2: Convert to fraction form
    1,198,186.26/1,797,531.91 = 388,507.57/x
  3. Step 3: Cross multiply
    1,198,186.26x = 1,797,531.91 × 388,507.57
  4. Step 4: Simplify right side
    1,198,186.26x = 698,354,757,812.56
  5. Step 5: Solve for x
    x = 698,354,757,812.56/1,198,186.26
  6. Step 6: Final answer
    x = 582,843.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.