Home / 444,580.38-666,936.18-128,996.28

Finding the Fourth Proportional to 444,580.38, 666,936.18 and 128,996.28

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Solution

The fourth proportional to 444,580.38, 666,936.18 and 128,996.28 is: 193,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,580.38 : 666,936.18 = 128,996.28 : x
  2. Step 2: Convert to fraction form
    444,580.38/666,936.18 = 128,996.28/x
  3. Step 3: Cross multiply
    444,580.38x = 666,936.18 × 128,996.28
  4. Step 4: Simplify right side
    444,580.38x = 86,032,286,217.41
  5. Step 5: Solve for x
    x = 86,032,286,217.41/444,580.38
  6. Step 6: Final answer
    x = 193,513.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.