Home / 466,213.38-643,376.97-275,320.95

Finding the Fourth Proportional to 466,213.38, 643,376.97 and 275,320.95

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Solution

The fourth proportional to 466,213.38, 643,376.97 and 275,320.95 is: 379,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,213.38 : 643,376.97 = 275,320.95 : x
  2. Step 2: Convert to fraction form
    466,213.38/643,376.97 = 275,320.95/x
  3. Step 3: Cross multiply
    466,213.38x = 643,376.97 × 275,320.95
  4. Step 4: Simplify right side
    466,213.38x = 177,135,158,588.52
  5. Step 5: Solve for x
    x = 177,135,158,588.52/466,213.38
  6. Step 6: Final answer
    x = 379,944.39

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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.