Home / 809,074.98-1,214,153.73-335,760.30

Finding the Fourth Proportional to 809,074.98, 1,214,153.73 and 335,760.30

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Solution

The fourth proportional to 809,074.98, 1,214,153.73 and 335,760.30 is: 503,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,074.98 : 1,214,153.73 = 335,760.30 : x
  2. Step 2: Convert to fraction form
    809,074.98/1,214,153.73 = 335,760.30/x
  3. Step 3: Cross multiply
    809,074.98x = 1,214,153.73 × 335,760.30
  4. Step 4: Simplify right side
    809,074.98x = 407,664,620,630.92
  5. Step 5: Solve for x
    x = 407,664,620,630.92/809,074.98
  6. Step 6: Final answer
    x = 503,865.07

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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.