Home / 454,977.40-682,466.10-384,118.60

Finding the Fourth Proportional to 454,977.40, 682,466.10 and 384,118.60

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Solution

The fourth proportional to 454,977.40, 682,466.10 and 384,118.60 is: 576,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,977.40 : 682,466.10 = 384,118.60 : x
  2. Step 2: Convert to fraction form
    454,977.40/682,466.10 = 384,118.60/x
  3. Step 3: Cross multiply
    454,977.40x = 682,466.10 × 384,118.60
  4. Step 4: Simplify right side
    454,977.40x = 262,147,922,879.46
  5. Step 5: Solve for x
    x = 262,147,922,879.46/454,977.40
  6. Step 6: Final answer
    x = 576,177.90

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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.