Home / 789,193.26-1,183,792.37-220,570.61

Finding the Fourth Proportional to 789,193.26, 1,183,792.37 and 220,570.61

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Solution

The fourth proportional to 789,193.26, 1,183,792.37 and 220,570.61 is: 330,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,193.26 : 1,183,792.37 = 220,570.61 : x
  2. Step 2: Convert to fraction form
    789,193.26/1,183,792.37 = 220,570.61/x
  3. Step 3: Cross multiply
    789,193.26x = 1,183,792.37 × 220,570.61
  4. Step 4: Simplify right side
    789,193.26x = 261,109,798,142.43
  5. Step 5: Solve for x
    x = 261,109,798,142.43/789,193.26
  6. Step 6: Final answer
    x = 330,856.60

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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.