Home / 354,764.34-531,863.96-204,834.56

Finding the Fourth Proportional to 354,764.34, 531,863.96 and 204,834.56

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Solution

The fourth proportional to 354,764.34, 531,863.96 and 204,834.56 is: 307,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,764.34 : 531,863.96 = 204,834.56 : x
  2. Step 2: Convert to fraction form
    354,764.34/531,863.96 = 204,834.56/x
  3. Step 3: Cross multiply
    354,764.34x = 531,863.96 × 204,834.56
  4. Step 4: Simplify right side
    354,764.34x = 108,944,116,542.97
  5. Step 5: Solve for x
    x = 108,944,116,542.97/354,764.34
  6. Step 6: Final answer
    x = 307,088.69

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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.