Home / 779,179.70-1,169,487.99-395,198.06

Finding the Fourth Proportional to 779,179.70, 1,169,487.99 and 395,198.06

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Solution

The fourth proportional to 779,179.70, 1,169,487.99 and 395,198.06 is: 593,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,179.70 : 1,169,487.99 = 395,198.06 : x
  2. Step 2: Convert to fraction form
    779,179.70/1,169,487.99 = 395,198.06/x
  3. Step 3: Cross multiply
    779,179.70x = 1,169,487.99 × 395,198.06
  4. Step 4: Simplify right side
    779,179.70x = 462,179,378,993.86
  5. Step 5: Solve for x
    x = 462,179,378,993.86/779,179.70
  6. Step 6: Final answer
    x = 593,161.48

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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.