Home / 455,513.10-683,253.45-206,195.10

Finding the Fourth Proportional to 455,513.10, 683,253.45 and 206,195.10

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Solution

The fourth proportional to 455,513.10, 683,253.45 and 206,195.10 is: 309,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,513.10 : 683,253.45 = 206,195.10 : x
  2. Step 2: Convert to fraction form
    455,513.10/683,253.45 = 206,195.10/x
  3. Step 3: Cross multiply
    455,513.10x = 683,253.45 × 206,195.10
  4. Step 4: Simplify right side
    455,513.10x = 140,883,513,448.10
  5. Step 5: Solve for x
    x = 140,883,513,448.10/455,513.10
  6. Step 6: Final answer
    x = 309,285.32

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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.