Home / 653,109.22-979,778.64-298,159.12

Finding the Fourth Proportional to 653,109.22, 979,778.64 and 298,159.12

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Solution

The fourth proportional to 653,109.22, 979,778.64 and 298,159.12 is: 447,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,109.22 : 979,778.64 = 298,159.12 : x
  2. Step 2: Convert to fraction form
    653,109.22/979,778.64 = 298,159.12/x
  3. Step 3: Cross multiply
    653,109.22x = 979,778.64 × 298,159.12
  4. Step 4: Simplify right side
    653,109.22x = 292,129,932,198.30
  5. Step 5: Solve for x
    x = 292,129,932,198.30/653,109.22
  6. Step 6: Final answer
    x = 447,291.09

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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.