Home / 481,439.72-664,407.54-266,579.64

Finding the Fourth Proportional to 481,439.72, 664,407.54 and 266,579.64

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Solution

The fourth proportional to 481,439.72, 664,407.54 and 266,579.64 is: 367,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,439.72 : 664,407.54 = 266,579.64 : x
  2. Step 2: Convert to fraction form
    481,439.72/664,407.54 = 266,579.64/x
  3. Step 3: Cross multiply
    481,439.72x = 664,407.54 × 266,579.64
  4. Step 4: Simplify right side
    481,439.72x = 177,117,522,826.49
  5. Step 5: Solve for x
    x = 177,117,522,826.49/481,439.72
  6. Step 6: Final answer
    x = 367,891.38

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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.