Home / 809,551.80-1,211,217.30-529,615.80

Finding the Fourth Proportional to 809,551.80, 1,211,217.30 and 529,615.80

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Solution

The fourth proportional to 809,551.80, 1,211,217.30 and 529,615.80 is: 792,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,551.80 : 1,211,217.30 = 529,615.80 : x
  2. Step 2: Convert to fraction form
    809,551.80/1,211,217.30 = 529,615.80/x
  3. Step 3: Cross multiply
    809,551.80x = 1,211,217.30 × 529,615.80
  4. Step 4: Simplify right side
    809,551.80x = 641,479,819,313.34
  5. Step 5: Solve for x
    x = 641,479,819,313.34/809,551.80
  6. Step 6: Final answer
    x = 792,388.85

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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.