Home / 455,518.20-683,277.30-206,200.20

Finding the Fourth Proportional to 455,518.20, 683,277.30 and 206,200.20

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Solution

The fourth proportional to 455,518.20, 683,277.30 and 206,200.20 is: 309,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,518.20 : 683,277.30 = 206,200.20 : x
  2. Step 2: Convert to fraction form
    455,518.20/683,277.30 = 206,200.20/x
  3. Step 3: Cross multiply
    455,518.20x = 683,277.30 × 206,200.20
  4. Step 4: Simplify right side
    455,518.20x = 140,891,915,915.46
  5. Step 5: Solve for x
    x = 140,891,915,915.46/455,518.20
  6. Step 6: Final answer
    x = 309,300.30

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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.