Home / 539,619.66-809,464.50-179,775.18

Finding the Fourth Proportional to 539,619.66, 809,464.50 and 179,775.18

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Solution

The fourth proportional to 539,619.66, 809,464.50 and 179,775.18 is: 269,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,619.66 : 809,464.50 = 179,775.18 : x
  2. Step 2: Convert to fraction form
    539,619.66/809,464.50 = 179,775.18/x
  3. Step 3: Cross multiply
    539,619.66x = 809,464.50 × 179,775.18
  4. Step 4: Simplify right side
    539,619.66x = 145,521,626,191.11
  5. Step 5: Solve for x
    x = 145,521,626,191.11/539,619.66
  6. Step 6: Final answer
    x = 269,674.43

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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.