Home / 1,324,894.16-1,987,318.20-327,622.16

Finding the Fourth Proportional to 1,324,894.16, 1,987,318.20 and 327,622.16

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Solution

The fourth proportional to 1,324,894.16, 1,987,318.20 and 327,622.16 is: 491,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,894.16 : 1,987,318.20 = 327,622.16 : x
  2. Step 2: Convert to fraction form
    1,324,894.16/1,987,318.20 = 327,622.16/x
  3. Step 3: Cross multiply
    1,324,894.16x = 1,987,318.20 × 327,622.16
  4. Step 4: Simplify right side
    1,324,894.16x = 651,089,481,291.31
  5. Step 5: Solve for x
    x = 651,089,481,291.31/1,324,894.16
  6. Step 6: Final answer
    x = 491,427.54

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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.