Home / 419,504.40-629,050.56-179,584.38

Finding the Fourth Proportional to 419,504.40, 629,050.56 and 179,584.38

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Solution

The fourth proportional to 419,504.40, 629,050.56 and 179,584.38 is: 269,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,504.40 : 629,050.56 = 179,584.38 : x
  2. Step 2: Convert to fraction form
    419,504.40/629,050.56 = 179,584.38/x
  3. Step 3: Cross multiply
    419,504.40x = 629,050.56 × 179,584.38
  4. Step 4: Simplify right side
    419,504.40x = 112,967,654,806.25
  5. Step 5: Solve for x
    x = 112,967,654,806.25/419,504.40
  6. Step 6: Final answer
    x = 269,288.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.