Home / 653,170.79-979,818.15-253,842.41

Finding the Fourth Proportional to 653,170.79, 979,818.15 and 253,842.41

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Solution

The fourth proportional to 653,170.79, 979,818.15 and 253,842.41 is: 380,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,170.79 : 979,818.15 = 253,842.41 : x
  2. Step 2: Convert to fraction form
    653,170.79/979,818.15 = 253,842.41/x
  3. Step 3: Cross multiply
    653,170.79x = 979,818.15 × 253,842.41
  4. Step 4: Simplify right side
    653,170.79x = 248,719,395,658.65
  5. Step 5: Solve for x
    x = 248,719,395,658.65/653,170.79
  6. Step 6: Final answer
    x = 380,787.69

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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.