Home / 393,252.24-589,845.42-203,508.12

Finding the Fourth Proportional to 393,252.24, 589,845.42 and 203,508.12

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Solution

The fourth proportional to 393,252.24, 589,845.42 and 203,508.12 is: 305,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,252.24 : 589,845.42 = 203,508.12 : x
  2. Step 2: Convert to fraction form
    393,252.24/589,845.42 = 203,508.12/x
  3. Step 3: Cross multiply
    393,252.24x = 589,845.42 × 203,508.12
  4. Step 4: Simplify right side
    393,252.24x = 120,038,332,514.81
  5. Step 5: Solve for x
    x = 120,038,332,514.81/393,252.24
  6. Step 6: Final answer
    x = 305,245.13

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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.