Home / 777,180.68-1,165,928.16-327,902.63

Finding the Fourth Proportional to 777,180.68, 1,165,928.16 and 327,902.63

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Solution

The fourth proportional to 777,180.68, 1,165,928.16 and 327,902.63 is: 491,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,180.68 : 1,165,928.16 = 327,902.63 : x
  2. Step 2: Convert to fraction form
    777,180.68/1,165,928.16 = 327,902.63/x
  3. Step 3: Cross multiply
    777,180.68x = 1,165,928.16 × 327,902.63
  4. Step 4: Simplify right side
    777,180.68x = 382,310,910,055.06
  5. Step 5: Solve for x
    x = 382,310,910,055.06/777,180.68
  6. Step 6: Final answer
    x = 491,920.25

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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.