Home / 952,399.88-1,314,327.90-522,720

Finding the Fourth Proportional to 952,399.88, 1,314,327.90 and 522,720

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Solution

The fourth proportional to 952,399.88, 1,314,327.90 and 522,720 is: 721,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,399.88 : 1,314,327.90 = 522,720 : x
  2. Step 2: Convert to fraction form
    952,399.88/1,314,327.90 = 522,720/x
  3. Step 3: Cross multiply
    952,399.88x = 1,314,327.90 × 522,720
  4. Step 4: Simplify right side
    952,399.88x = 687,025,479,888
  5. Step 5: Solve for x
    x = 687,025,479,888/952,399.88
  6. Step 6: Final answer
    x = 721,362.42

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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.