Home / 447,640.14-618,298.33-324,936.82

Finding the Fourth Proportional to 447,640.14, 618,298.33 and 324,936.82

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Solution

The fourth proportional to 447,640.14, 618,298.33 and 324,936.82 is: 448,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,640.14 : 618,298.33 = 324,936.82 : x
  2. Step 2: Convert to fraction form
    447,640.14/618,298.33 = 324,936.82/x
  3. Step 3: Cross multiply
    447,640.14x = 618,298.33 × 324,936.82
  4. Step 4: Simplify right side
    447,640.14x = 200,907,893,161.51
  5. Step 5: Solve for x
    x = 200,907,893,161.51/447,640.14
  6. Step 6: Final answer
    x = 448,815.63

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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.