Home / 466,560.12-643,631.22-275,445.48

Finding the Fourth Proportional to 466,560.12, 643,631.22 and 275,445.48

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Solution

The fourth proportional to 466,560.12, 643,631.22 and 275,445.48 is: 379,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,560.12 : 643,631.22 = 275,445.48 : x
  2. Step 2: Convert to fraction form
    466,560.12/643,631.22 = 275,445.48/x
  3. Step 3: Cross multiply
    466,560.12x = 643,631.22 × 275,445.48
  4. Step 4: Simplify right side
    466,560.12x = 177,285,310,335.89
  5. Step 5: Solve for x
    x = 177,285,310,335.89/466,560.12
  6. Step 6: Final answer
    x = 379,983.85

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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.