Home / 481,257.09-664,126.72-266,392.53

Finding the Fourth Proportional to 481,257.09, 664,126.72 and 266,392.53

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Solution

The fourth proportional to 481,257.09, 664,126.72 and 266,392.53 is: 367,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,257.09 : 664,126.72 = 266,392.53 : x
  2. Step 2: Convert to fraction form
    481,257.09/664,126.72 = 266,392.53/x
  3. Step 3: Cross multiply
    481,257.09x = 664,126.72 × 266,392.53
  4. Step 4: Simplify right side
    481,257.09x = 176,918,397,181.40
  5. Step 5: Solve for x
    x = 176,918,397,181.40/481,257.09
  6. Step 6: Final answer
    x = 367,617.23

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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.