Home / 777,668.25-1,166,961.66-328,360.05

Finding the Fourth Proportional to 777,668.25, 1,166,961.66 and 328,360.05

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Solution

The fourth proportional to 777,668.25, 1,166,961.66 and 328,360.05 is: 492,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,668.25 : 1,166,961.66 = 328,360.05 : x
  2. Step 2: Convert to fraction form
    777,668.25/1,166,961.66 = 328,360.05/x
  3. Step 3: Cross multiply
    777,668.25x = 1,166,961.66 × 328,360.05
  4. Step 4: Simplify right side
    777,668.25x = 383,183,589,025.68
  5. Step 5: Solve for x
    x = 383,183,589,025.68/777,668.25
  6. Step 6: Final answer
    x = 492,734.00

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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.