Home / 863,321.22-1,191,383.30-481,348.04

Finding the Fourth Proportional to 863,321.22, 1,191,383.30 and 481,348.04

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Solution

The fourth proportional to 863,321.22, 1,191,383.30 and 481,348.04 is: 664,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,321.22 : 1,191,383.30 = 481,348.04 : x
  2. Step 2: Convert to fraction form
    863,321.22/1,191,383.30 = 481,348.04/x
  3. Step 3: Cross multiply
    863,321.22x = 1,191,383.30 × 481,348.04
  4. Step 4: Simplify right side
    863,321.22x = 573,470,011,590.19
  5. Step 5: Solve for x
    x = 573,470,011,590.19/863,321.22
  6. Step 6: Final answer
    x = 664,260.30

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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.