Home / 481,629.84-664,619.88-266,757.12

Finding the Fourth Proportional to 481,629.84, 664,619.88 and 266,757.12

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Solution

The fourth proportional to 481,629.84, 664,619.88 and 266,757.12 is: 368,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,629.84 : 664,619.88 = 266,757.12 : x
  2. Step 2: Convert to fraction form
    481,629.84/664,619.88 = 266,757.12/x
  3. Step 3: Cross multiply
    481,629.84x = 664,619.88 × 266,757.12
  4. Step 4: Simplify right side
    481,629.84x = 177,292,085,083.55
  5. Step 5: Solve for x
    x = 177,292,085,083.55/481,629.84
  6. Step 6: Final answer
    x = 368,108.60

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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.