Home / 481,769.80-664,788.52-266,856.56

Finding the Fourth Proportional to 481,769.80, 664,788.52 and 266,856.56

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Solution

The fourth proportional to 481,769.80, 664,788.52 and 266,856.56 is: 368,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,769.80 : 664,788.52 = 266,856.56 : x
  2. Step 2: Convert to fraction form
    481,769.80/664,788.52 = 266,856.56/x
  3. Step 3: Cross multiply
    481,769.80x = 664,788.52 × 266,856.56
  4. Step 4: Simplify right side
    481,769.80x = 177,403,177,574.69
  5. Step 5: Solve for x
    x = 177,403,177,574.69/481,769.80
  6. Step 6: Final answer
    x = 368,232.25

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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.