Home / 805,693.11-1,208,539.97-206,654.23

Finding the Fourth Proportional to 805,693.11, 1,208,539.97 and 206,654.23

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Solution

The fourth proportional to 805,693.11, 1,208,539.97 and 206,654.23 is: 309,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,693.11 : 1,208,539.97 = 206,654.23 : x
  2. Step 2: Convert to fraction form
    805,693.11/1,208,539.97 = 206,654.23/x
  3. Step 3: Cross multiply
    805,693.11x = 1,208,539.97 × 206,654.23
  4. Step 4: Simplify right side
    805,693.11x = 249,749,896,924.57
  5. Step 5: Solve for x
    x = 249,749,896,924.57/805,693.11
  6. Step 6: Final answer
    x = 309,981.42

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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.