Home / 454,967.90-682,451.85-403,792.10

Finding the Fourth Proportional to 454,967.90, 682,451.85 and 403,792.10

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Solution

The fourth proportional to 454,967.90, 682,451.85 and 403,792.10 is: 605,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.90 : 682,451.85 = 403,792.10 : x
  2. Step 2: Convert to fraction form
    454,967.90/682,451.85 = 403,792.10/x
  3. Step 3: Cross multiply
    454,967.90x = 682,451.85 × 403,792.10
  4. Step 4: Simplify right side
    454,967.90x = 275,568,665,660.39
  5. Step 5: Solve for x
    x = 275,568,665,660.39/454,967.90
  6. Step 6: Final answer
    x = 605,688.15

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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.