Home / 538,874.42-743,629.64-297,167.18

Finding the Fourth Proportional to 538,874.42, 743,629.64 and 297,167.18

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Solution

The fourth proportional to 538,874.42, 743,629.64 and 297,167.18 is: 410,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,874.42 : 743,629.64 = 297,167.18 : x
  2. Step 2: Convert to fraction form
    538,874.42/743,629.64 = 297,167.18/x
  3. Step 3: Cross multiply
    538,874.42x = 743,629.64 × 297,167.18
  4. Step 4: Simplify right side
    538,874.42x = 220,982,317,879.23
  5. Step 5: Solve for x
    x = 220,982,317,879.23/538,874.42
  6. Step 6: Final answer
    x = 410,081.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.