Home / 774,655.14-1,161,890.22-206,077.97

Finding the Fourth Proportional to 774,655.14, 1,161,890.22 and 206,077.97

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Solution

The fourth proportional to 774,655.14, 1,161,890.22 and 206,077.97 is: 309,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,655.14 : 1,161,890.22 = 206,077.97 : x
  2. Step 2: Convert to fraction form
    774,655.14/1,161,890.22 = 206,077.97/x
  3. Step 3: Cross multiply
    774,655.14x = 1,161,890.22 × 206,077.97
  4. Step 4: Simplify right side
    774,655.14x = 239,439,981,577.97
  5. Step 5: Solve for x
    x = 239,439,981,577.97/774,655.14
  6. Step 6: Final answer
    x = 309,092.35

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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.