Home / 347,731.29-479,836.89-196,828.29

Finding the Fourth Proportional to 347,731.29, 479,836.89 and 196,828.29

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Solution

The fourth proportional to 347,731.29, 479,836.89 and 196,828.29 is: 271,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.29 : 479,836.89 = 196,828.29 : x
  2. Step 2: Convert to fraction form
    347,731.29/479,836.89 = 196,828.29/x
  3. Step 3: Cross multiply
    347,731.29x = 479,836.89 × 196,828.29
  4. Step 4: Simplify right side
    347,731.29x = 94,445,474,537.62
  5. Step 5: Solve for x
    x = 94,445,474,537.62/347,731.29
  6. Step 6: Final answer
    x = 271,604.76

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1.5x scale

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.