Home / 407,971.19-562,819.11-271,872.56

Finding the Fourth Proportional to 407,971.19, 562,819.11 and 271,872.56

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Solution

The fourth proportional to 407,971.19, 562,819.11 and 271,872.56 is: 375,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,971.19 : 562,819.11 = 271,872.56 : x
  2. Step 2: Convert to fraction form
    407,971.19/562,819.11 = 271,872.56/x
  3. Step 3: Cross multiply
    407,971.19x = 562,819.11 × 271,872.56
  4. Step 4: Simplify right side
    407,971.19x = 153,015,072,252.62
  5. Step 5: Solve for x
    x = 153,015,072,252.62/407,971.19
  6. Step 6: Final answer
    x = 375,063.43

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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.