Home / 809,069.85-1,212,747.66-353,260.85

Finding the Fourth Proportional to 809,069.85, 1,212,747.66 and 353,260.85

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Solution

The fourth proportional to 809,069.85, 1,212,747.66 and 353,260.85 is: 529,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,069.85 : 1,212,747.66 = 353,260.85 : x
  2. Step 2: Convert to fraction form
    809,069.85/1,212,747.66 = 353,260.85/x
  3. Step 3: Cross multiply
    809,069.85x = 1,212,747.66 × 353,260.85
  4. Step 4: Simplify right side
    809,069.85x = 428,416,263,143.37
  5. Step 5: Solve for x
    x = 428,416,263,143.37/809,069.85
  6. Step 6: Final answer
    x = 529,517.03

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1.5x scale

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.