Home / 481,708.98-664,795.89-266,868.90

Finding the Fourth Proportional to 481,708.98, 664,795.89 and 266,868.90

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Solution

The fourth proportional to 481,708.98, 664,795.89 and 266,868.90 is: 368,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,708.98 : 664,795.89 = 266,868.90 : x
  2. Step 2: Convert to fraction form
    481,708.98/664,795.89 = 266,868.90/x
  3. Step 3: Cross multiply
    481,708.98x = 664,795.89 × 266,868.90
  4. Step 4: Simplify right side
    481,708.98x = 177,413,347,888.82
  5. Step 5: Solve for x
    x = 177,413,347,888.82/481,708.98
  6. Step 6: Final answer
    x = 368,299.86

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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.