Home / 481,795.80-664,883.55-266,939.25

Finding the Fourth Proportional to 481,795.80, 664,883.55 and 266,939.25

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Solution

The fourth proportional to 481,795.80, 664,883.55 and 266,939.25 is: 368,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,795.80 : 664,883.55 = 266,939.25 : x
  2. Step 2: Convert to fraction form
    481,795.80/664,883.55 = 266,939.25/x
  3. Step 3: Cross multiply
    481,795.80x = 664,883.55 × 266,939.25
  4. Step 4: Simplify right side
    481,795.80x = 177,483,516,174.34
  5. Step 5: Solve for x
    x = 177,483,516,174.34/481,795.80
  6. Step 6: Final answer
    x = 368,379.13

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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.