Home / 868,550.60-1,198,599.94-481,391.02

Finding the Fourth Proportional to 868,550.60, 1,198,599.94 and 481,391.02

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Solution

The fourth proportional to 868,550.60, 1,198,599.94 and 481,391.02 is: 664,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,550.60 : 1,198,599.94 = 481,391.02 : x
  2. Step 2: Convert to fraction form
    868,550.60/1,198,599.94 = 481,391.02/x
  3. Step 3: Cross multiply
    868,550.60x = 1,198,599.94 × 481,391.02
  4. Step 4: Simplify right side
    868,550.60x = 576,995,247,688.54
  5. Step 5: Solve for x
    x = 576,995,247,688.54/868,550.60
  6. Step 6: Final answer
    x = 664,319.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.