Home / 481,719.36-664,772.58-266,873.34

Finding the Fourth Proportional to 481,719.36, 664,772.58 and 266,873.34

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Solution

The fourth proportional to 481,719.36, 664,772.58 and 266,873.34 is: 368,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,719.36 : 664,772.58 = 266,873.34 : x
  2. Step 2: Convert to fraction form
    481,719.36/664,772.58 = 266,873.34/x
  3. Step 3: Cross multiply
    481,719.36x = 664,772.58 × 266,873.34
  4. Step 4: Simplify right side
    481,719.36x = 177,410,078,765.02
  5. Step 5: Solve for x
    x = 177,410,078,765.02/481,719.36
  6. Step 6: Final answer
    x = 368,285.13

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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.