Home / 691,049.43-1,036,626.62-235,499.09

Finding the Fourth Proportional to 691,049.43, 1,036,626.62 and 235,499.09

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Solution

The fourth proportional to 691,049.43, 1,036,626.62 and 235,499.09 is: 353,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,049.43 : 1,036,626.62 = 235,499.09 : x
  2. Step 2: Convert to fraction form
    691,049.43/1,036,626.62 = 235,499.09/x
  3. Step 3: Cross multiply
    691,049.43x = 1,036,626.62 × 235,499.09
  4. Step 4: Simplify right side
    691,049.43x = 244,124,619,319.15
  5. Step 5: Solve for x
    x = 244,124,619,319.15/691,049.43
  6. Step 6: Final answer
    x = 353,266.51

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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.