Home / 677,857.08-1,016,812.14-204,542.52

Finding the Fourth Proportional to 677,857.08, 1,016,812.14 and 204,542.52

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Solution

The fourth proportional to 677,857.08, 1,016,812.14 and 204,542.52 is: 306,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,857.08 : 1,016,812.14 = 204,542.52 : x
  2. Step 2: Convert to fraction form
    677,857.08/1,016,812.14 = 204,542.52/x
  3. Step 3: Cross multiply
    677,857.08x = 1,016,812.14 × 204,542.52
  4. Step 4: Simplify right side
    677,857.08x = 207,981,317,482.19
  5. Step 5: Solve for x
    x = 207,981,317,482.19/677,857.08
  6. Step 6: Final answer
    x = 306,821.78

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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.