Home / 539,206.10-809,327.55-273,266.90

Finding the Fourth Proportional to 539,206.10, 809,327.55 and 273,266.90

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Solution

The fourth proportional to 539,206.10, 809,327.55 and 273,266.90 is: 410,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,206.10 : 809,327.55 = 273,266.90 : x
  2. Step 2: Convert to fraction form
    539,206.10/809,327.55 = 273,266.90/x
  3. Step 3: Cross multiply
    539,206.10x = 809,327.55 × 273,266.90
  4. Step 4: Simplify right side
    539,206.10x = 221,162,430,673.10
  5. Step 5: Solve for x
    x = 221,162,430,673.10/539,206.10
  6. Step 6: Final answer
    x = 410,163.07

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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.