Home / 538,919.92-743,697.16-297,195.60

Finding the Fourth Proportional to 538,919.92, 743,697.16 and 297,195.60

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Solution

The fourth proportional to 538,919.92, 743,697.16 and 297,195.60 is: 410,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,919.92 : 743,697.16 = 297,195.60 : x
  2. Step 2: Convert to fraction form
    538,919.92/743,697.16 = 297,195.60/x
  3. Step 3: Cross multiply
    538,919.92x = 743,697.16 × 297,195.60
  4. Step 4: Simplify right side
    538,919.92x = 221,023,523,684.50
  5. Step 5: Solve for x
    x = 221,023,523,684.50/538,919.92
  6. Step 6: Final answer
    x = 410,123.13

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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.