Home / 843,319.36-1,264,958.02-394,542.34

Finding the Fourth Proportional to 843,319.36, 1,264,958.02 and 394,542.34

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Solution

The fourth proportional to 843,319.36, 1,264,958.02 and 394,542.34 is: 591,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,319.36 : 1,264,958.02 = 394,542.34 : x
  2. Step 2: Convert to fraction form
    843,319.36/1,264,958.02 = 394,542.34/x
  3. Step 3: Cross multiply
    843,319.36x = 1,264,958.02 × 394,542.34
  4. Step 4: Simplify right side
    843,319.36x = 499,079,500,374.96
  5. Step 5: Solve for x
    x = 499,079,500,374.96/843,319.36
  6. Step 6: Final answer
    x = 591,803.68

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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.