Home / 693,881.12-1,040,974.64-294,862.96

Finding the Fourth Proportional to 693,881.12, 1,040,974.64 and 294,862.96

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Solution

The fourth proportional to 693,881.12, 1,040,974.64 and 294,862.96 is: 442,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,881.12 : 1,040,974.64 = 294,862.96 : x
  2. Step 2: Convert to fraction form
    693,881.12/1,040,974.64 = 294,862.96/x
  3. Step 3: Cross multiply
    693,881.12x = 1,040,974.64 × 294,862.96
  4. Step 4: Simplify right side
    693,881.12x = 306,944,863,635.33
  5. Step 5: Solve for x
    x = 306,944,863,635.33/693,881.12
  6. Step 6: Final answer
    x = 442,359.44

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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.