Home / 836,449.42-1,253,968.80-362,778.01

Finding the Fourth Proportional to 836,449.42, 1,253,968.80 and 362,778.01

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Solution

The fourth proportional to 836,449.42, 1,253,968.80 and 362,778.01 is: 543,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,449.42 : 1,253,968.80 = 362,778.01 : x
  2. Step 2: Convert to fraction form
    836,449.42/1,253,968.80 = 362,778.01/x
  3. Step 3: Cross multiply
    836,449.42x = 1,253,968.80 × 362,778.01
  4. Step 4: Simplify right side
    836,449.42x = 454,912,305,866.09
  5. Step 5: Solve for x
    x = 454,912,305,866.09/836,449.42
  6. Step 6: Final answer
    x = 543,861.11

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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.