Home / 411,922.60-616,847.10-270,917.80

Finding the Fourth Proportional to 411,922.60, 616,847.10 and 270,917.80

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Solution

The fourth proportional to 411,922.60, 616,847.10 and 270,917.80 is: 405,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,922.60 : 616,847.10 = 270,917.80 : x
  2. Step 2: Convert to fraction form
    411,922.60/616,847.10 = 270,917.80/x
  3. Step 3: Cross multiply
    411,922.60x = 616,847.10 × 270,917.80
  4. Step 4: Simplify right side
    411,922.60x = 167,114,859,268.38
  5. Step 5: Solve for x
    x = 167,114,859,268.38/411,922.60
  6. Step 6: Final answer
    x = 405,694.81

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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.