Home / 451,946.42-677,093.43-211,619.42

Finding the Fourth Proportional to 451,946.42, 677,093.43 and 211,619.42

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Solution

The fourth proportional to 451,946.42, 677,093.43 and 211,619.42 is: 317,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,946.42 : 677,093.43 = 211,619.42 : x
  2. Step 2: Convert to fraction form
    451,946.42/677,093.43 = 211,619.42/x
  3. Step 3: Cross multiply
    451,946.42x = 677,093.43 × 211,619.42
  4. Step 4: Simplify right side
    451,946.42x = 143,286,118,942.41
  5. Step 5: Solve for x
    x = 143,286,118,942.41/451,946.42
  6. Step 6: Final answer
    x = 317,042.27

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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.