Home / 722,463.96-996,989.04-395,774.22

Finding the Fourth Proportional to 722,463.96, 996,989.04 and 395,774.22

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Solution

The fourth proportional to 722,463.96, 996,989.04 and 395,774.22 is: 546,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,463.96 : 996,989.04 = 395,774.22 : x
  2. Step 2: Convert to fraction form
    722,463.96/996,989.04 = 395,774.22/x
  3. Step 3: Cross multiply
    722,463.96x = 996,989.04 × 395,774.22
  4. Step 4: Simplify right side
    722,463.96x = 394,582,559,654.55
  5. Step 5: Solve for x
    x = 394,582,559,654.55/722,463.96
  6. Step 6: Final answer
    x = 546,162.27

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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.