Home / 454,954.20-682,431.30-122,530.20

Finding the Fourth Proportional to 454,954.20, 682,431.30 and 122,530.20

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Solution

The fourth proportional to 454,954.20, 682,431.30 and 122,530.20 is: 183,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,954.20 : 682,431.30 = 122,530.20 : x
  2. Step 2: Convert to fraction form
    454,954.20/682,431.30 = 122,530.20/x
  3. Step 3: Cross multiply
    454,954.20x = 682,431.30 × 122,530.20
  4. Step 4: Simplify right side
    454,954.20x = 83,618,443,675.26
  5. Step 5: Solve for x
    x = 83,618,443,675.26/454,954.20
  6. Step 6: Final answer
    x = 183,795.30

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Similar ratio
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1.5x scale

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.