Home / 653,170.92-979,818.34-253,842.54

Finding the Fourth Proportional to 653,170.92, 979,818.34 and 253,842.54

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Solution

The fourth proportional to 653,170.92, 979,818.34 and 253,842.54 is: 380,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,170.92 : 979,818.34 = 253,842.54 : x
  2. Step 2: Convert to fraction form
    653,170.92/979,818.34 = 253,842.54/x
  3. Step 3: Cross multiply
    653,170.92x = 979,818.34 × 253,842.54
  4. Step 4: Simplify right side
    653,170.92x = 248,719,576,164.18
  5. Step 5: Solve for x
    x = 248,719,576,164.18/653,170.92
  6. Step 6: Final answer
    x = 380,787.89

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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.