Home / 451,942.92-677,088.18-211,615.92

Finding the Fourth Proportional to 451,942.92, 677,088.18 and 211,615.92

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Solution

The fourth proportional to 451,942.92, 677,088.18 and 211,615.92 is: 317,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,942.92 : 677,088.18 = 211,615.92 : x
  2. Step 2: Convert to fraction form
    451,942.92/677,088.18 = 211,615.92/x
  3. Step 3: Cross multiply
    451,942.92x = 677,088.18 × 211,615.92
  4. Step 4: Simplify right side
    451,942.92x = 143,282,638,131.83
  5. Step 5: Solve for x
    x = 143,282,638,131.83/451,942.92
  6. Step 6: Final answer
    x = 317,037.02

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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.