Home / 693,713.70-1,040,376.15-220,544.10

Finding the Fourth Proportional to 693,713.70, 1,040,376.15 and 220,544.10

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Solution

The fourth proportional to 693,713.70, 1,040,376.15 and 220,544.10 is: 330,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,713.70 : 1,040,376.15 = 220,544.10 : x
  2. Step 2: Convert to fraction form
    693,713.70/1,040,376.15 = 220,544.10/x
  3. Step 3: Cross multiply
    693,713.70x = 1,040,376.15 × 220,544.10
  4. Step 4: Simplify right side
    693,713.70x = 229,448,821,663.22
  5. Step 5: Solve for x
    x = 229,448,821,663.22/693,713.70
  6. Step 6: Final answer
    x = 330,754.35

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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.