Home / 299,155.40-448,977.90-296,822.60

Finding the Fourth Proportional to 299,155.40, 448,977.90 and 296,822.60

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Solution

The fourth proportional to 299,155.40, 448,977.90 and 296,822.60 is: 445,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,155.40 : 448,977.90 = 296,822.60 : x
  2. Step 2: Convert to fraction form
    299,155.40/448,977.90 = 296,822.60/x
  3. Step 3: Cross multiply
    299,155.40x = 448,977.90 × 296,822.60
  4. Step 4: Simplify right side
    299,155.40x = 133,266,787,620.54
  5. Step 5: Solve for x
    x = 133,266,787,620.54/299,155.40
  6. Step 6: Final answer
    x = 445,476.79

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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.