Home / 539,200.10-809,318.55-273,260.90

Finding the Fourth Proportional to 539,200.10, 809,318.55 and 273,260.90

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Solution

The fourth proportional to 539,200.10, 809,318.55 and 273,260.90 is: 410,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,200.10 : 809,318.55 = 273,260.90 : x
  2. Step 2: Convert to fraction form
    539,200.10/809,318.55 = 273,260.90/x
  3. Step 3: Cross multiply
    539,200.10x = 809,318.55 × 273,260.90
  4. Step 4: Simplify right side
    539,200.10x = 221,155,115,359.70
  5. Step 5: Solve for x
    x = 221,155,115,359.70/539,200.10
  6. Step 6: Final answer
    x = 410,154.07

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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.