Home / 481,767.69-664,844.13-266,910.72

Finding the Fourth Proportional to 481,767.69, 664,844.13 and 266,910.72

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Solution

The fourth proportional to 481,767.69, 664,844.13 and 266,910.72 is: 368,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,767.69 : 664,844.13 = 266,910.72 : x
  2. Step 2: Convert to fraction form
    481,767.69/664,844.13 = 266,910.72/x
  3. Step 3: Cross multiply
    481,767.69x = 664,844.13 × 266,910.72
  4. Step 4: Simplify right side
    481,767.69x = 177,454,025,426.07
  5. Step 5: Solve for x
    x = 177,454,025,426.07/481,767.69
  6. Step 6: Final answer
    x = 368,339.41

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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.