Home / 931,662.21-1,285,739.46-523,892.43

Finding the Fourth Proportional to 931,662.21, 1,285,739.46 and 523,892.43

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Solution

The fourth proportional to 931,662.21, 1,285,739.46 and 523,892.43 is: 722,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,662.21 : 1,285,739.46 = 523,892.43 : x
  2. Step 2: Convert to fraction form
    931,662.21/1,285,739.46 = 523,892.43/x
  3. Step 3: Cross multiply
    931,662.21x = 1,285,739.46 × 523,892.43
  4. Step 4: Simplify right side
    931,662.21x = 673,589,170,046.29
  5. Step 5: Solve for x
    x = 673,589,170,046.29/931,662.21
  6. Step 6: Final answer
    x = 722,997.20

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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.