Home / 411,917.10-616,838.85-270,912.30

Finding the Fourth Proportional to 411,917.10, 616,838.85 and 270,912.30

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Solution

The fourth proportional to 411,917.10, 616,838.85 and 270,912.30 is: 405,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,917.10 : 616,838.85 = 270,912.30 : x
  2. Step 2: Convert to fraction form
    411,917.10/616,838.85 = 270,912.30/x
  3. Step 3: Cross multiply
    411,917.10x = 616,838.85 × 270,912.30
  4. Step 4: Simplify right side
    411,917.10x = 167,109,231,582.86
  5. Step 5: Solve for x
    x = 167,109,231,582.86/411,917.10
  6. Step 6: Final answer
    x = 405,686.56

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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.