Home / 481,186.09-664,028.76-266,321.58

Finding the Fourth Proportional to 481,186.09, 664,028.76 and 266,321.58

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Solution

The fourth proportional to 481,186.09, 664,028.76 and 266,321.58 is: 367,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,186.09 : 664,028.76 = 266,321.58 : x
  2. Step 2: Convert to fraction form
    481,186.09/664,028.76 = 266,321.58/x
  3. Step 3: Cross multiply
    481,186.09x = 664,028.76 × 266,321.58
  4. Step 4: Simplify right side
    481,186.09x = 176,845,188,528.64
  5. Step 5: Solve for x
    x = 176,845,188,528.64/481,186.09
  6. Step 6: Final answer
    x = 367,519.33

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1.5x scale

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.