Home / 454,986.60-683,792.10-397,249.80

Finding the Fourth Proportional to 454,986.60, 683,792.10 and 397,249.80

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Solution

The fourth proportional to 454,986.60, 683,792.10 and 397,249.80 is: 597,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,986.60 : 683,792.10 = 397,249.80 : x
  2. Step 2: Convert to fraction form
    454,986.60/683,792.10 = 397,249.80/x
  3. Step 3: Cross multiply
    454,986.60x = 683,792.10 × 397,249.80
  4. Step 4: Simplify right side
    454,986.60x = 271,636,274,966.58
  5. Step 5: Solve for x
    x = 271,636,274,966.58/454,986.60
  6. Step 6: Final answer
    x = 597,020.38

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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.