Home / 672,021.90-1,008,032.85-336,098.70

Finding the Fourth Proportional to 672,021.90, 1,008,032.85 and 336,098.70

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Solution

The fourth proportional to 672,021.90, 1,008,032.85 and 336,098.70 is: 504,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.90 : 1,008,032.85 = 336,098.70 : x
  2. Step 2: Convert to fraction form
    672,021.90/1,008,032.85 = 336,098.70/x
  3. Step 3: Cross multiply
    672,021.90x = 1,008,032.85 × 336,098.70
  4. Step 4: Simplify right side
    672,021.90x = 338,798,530,442.30
  5. Step 5: Solve for x
    x = 338,798,530,442.30/672,021.90
  6. Step 6: Final answer
    x = 504,148.05

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Similar ratio
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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.