Home / 539,636.20-809,313.24-160,454.81

Finding the Fourth Proportional to 539,636.20, 809,313.24 and 160,454.81

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Solution

The fourth proportional to 539,636.20, 809,313.24 and 160,454.81 is: 240,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,636.20 : 809,313.24 = 160,454.81 : x
  2. Step 2: Convert to fraction form
    539,636.20/809,313.24 = 160,454.81/x
  3. Step 3: Cross multiply
    539,636.20x = 809,313.24 × 160,454.81
  4. Step 4: Simplify right side
    539,636.20x = 129,858,202,154.68
  5. Step 5: Solve for x
    x = 129,858,202,154.68/539,636.20
  6. Step 6: Final answer
    x = 240,640.27

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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.