Home / 863,895.92-1,296,237.72-443,467.28

Finding the Fourth Proportional to 863,895.92, 1,296,237.72 and 443,467.28

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Solution

The fourth proportional to 863,895.92, 1,296,237.72 and 443,467.28 is: 665,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,895.92 : 1,296,237.72 = 443,467.28 : x
  2. Step 2: Convert to fraction form
    863,895.92/1,296,237.72 = 443,467.28/x
  3. Step 3: Cross multiply
    863,895.92x = 1,296,237.72 × 443,467.28
  4. Step 4: Simplify right side
    863,895.92x = 574,839,015,921.80
  5. Step 5: Solve for x
    x = 574,839,015,921.80/863,895.92
  6. Step 6: Final answer
    x = 665,403.09

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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.