Home / 1,171,843.88-1,617,188.10-662,515.88

Finding the Fourth Proportional to 1,171,843.88, 1,617,188.10 and 662,515.88

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Solution

The fourth proportional to 1,171,843.88, 1,617,188.10 and 662,515.88 is: 914,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,843.88 : 1,617,188.10 = 662,515.88 : x
  2. Step 2: Convert to fraction form
    1,171,843.88/1,617,188.10 = 662,515.88/x
  3. Step 3: Cross multiply
    1,171,843.88x = 1,617,188.10 × 662,515.88
  4. Step 4: Simplify right side
    1,171,843.88x = 1,071,412,797,197.03
  5. Step 5: Solve for x
    x = 1,071,412,797,197.03/1,171,843.88
  6. Step 6: Final answer
    x = 914,296.53

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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.