Home / 619,135.58-928,795.65-219,742.91

Finding the Fourth Proportional to 619,135.58, 928,795.65 and 219,742.91

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Solution

The fourth proportional to 619,135.58, 928,795.65 and 219,742.91 is: 329,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,135.58 : 928,795.65 = 219,742.91 : x
  2. Step 2: Convert to fraction form
    619,135.58/928,795.65 = 219,742.91/x
  3. Step 3: Cross multiply
    619,135.58x = 928,795.65 × 219,742.91
  4. Step 4: Simplify right side
    619,135.58x = 204,096,253,183.65
  5. Step 5: Solve for x
    x = 204,096,253,183.65/619,135.58
  6. Step 6: Final answer
    x = 329,647.11

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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.