Home / 481,696.88-664,733.00-266,836.28

Finding the Fourth Proportional to 481,696.88, 664,733.00 and 266,836.28

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Solution

The fourth proportional to 481,696.88, 664,733.00 and 266,836.28 is: 368,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,696.88 : 664,733.00 = 266,836.28 : x
  2. Step 2: Convert to fraction form
    481,696.88/664,733.00 = 266,836.28/x
  3. Step 3: Cross multiply
    481,696.88x = 664,733.00 × 266,836.28
  4. Step 4: Simplify right side
    481,696.88x = 177,374,879,579.06
  5. Step 5: Solve for x
    x = 177,374,879,579.06/481,696.88
  6. Step 6: Final answer
    x = 368,229.25

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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.