Home / 454,930.80-682,396.20-202,210.80

Finding the Fourth Proportional to 454,930.80, 682,396.20 and 202,210.80

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Solution

The fourth proportional to 454,930.80, 682,396.20 and 202,210.80 is: 303,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,930.80 : 682,396.20 = 202,210.80 : x
  2. Step 2: Convert to fraction form
    454,930.80/682,396.20 = 202,210.80/x
  3. Step 3: Cross multiply
    454,930.80x = 682,396.20 × 202,210.80
  4. Step 4: Simplify right side
    454,930.80x = 137,987,881,518.96
  5. Step 5: Solve for x
    x = 137,987,881,518.96/454,930.80
  6. Step 6: Final answer
    x = 303,316.20

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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.