Home / 454,847.40-682,271.10-403,671.60

Finding the Fourth Proportional to 454,847.40, 682,271.10 and 403,671.60

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Solution

The fourth proportional to 454,847.40, 682,271.10 and 403,671.60 is: 605,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,847.40 : 682,271.10 = 403,671.60 : x
  2. Step 2: Convert to fraction form
    454,847.40/682,271.10 = 403,671.60/x
  3. Step 3: Cross multiply
    454,847.40x = 682,271.10 × 403,671.60
  4. Step 4: Simplify right side
    454,847.40x = 275,413,466,570.76
  5. Step 5: Solve for x
    x = 275,413,466,570.76/454,847.40
  6. Step 6: Final answer
    x = 605,507.40

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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.