Home / 463,942.44-640,219.14-262,739.88

Finding the Fourth Proportional to 463,942.44, 640,219.14 and 262,739.88

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Solution

The fourth proportional to 463,942.44, 640,219.14 and 262,739.88 is: 362,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,942.44 : 640,219.14 = 262,739.88 : x
  2. Step 2: Convert to fraction form
    463,942.44/640,219.14 = 262,739.88/x
  3. Step 3: Cross multiply
    463,942.44x = 640,219.14 × 262,739.88
  4. Step 4: Simplify right side
    463,942.44x = 168,211,100,017.30
  5. Step 5: Solve for x
    x = 168,211,100,017.30/463,942.44
  6. Step 6: Final answer
    x = 362,568.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.