Home / 693,551.66-1,040,363.50-220,274.06

Finding the Fourth Proportional to 693,551.66, 1,040,363.50 and 220,274.06

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Solution

The fourth proportional to 693,551.66, 1,040,363.50 and 220,274.06 is: 330,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,551.66 : 1,040,363.50 = 220,274.06 : x
  2. Step 2: Convert to fraction form
    693,551.66/1,040,363.50 = 220,274.06/x
  3. Step 3: Cross multiply
    693,551.66x = 1,040,363.50 × 220,274.06
  4. Step 4: Simplify right side
    693,551.66x = 229,165,092,020.81
  5. Step 5: Solve for x
    x = 229,165,092,020.81/693,551.66
  6. Step 6: Final answer
    x = 330,422.53

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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.