Home / 366,612.85-505,945.92-205,519.69

Finding the Fourth Proportional to 366,612.85, 505,945.92 and 205,519.69

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Solution

The fourth proportional to 366,612.85, 505,945.92 and 205,519.69 is: 283,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,612.85 : 505,945.92 = 205,519.69 : x
  2. Step 2: Convert to fraction form
    366,612.85/505,945.92 = 205,519.69/x
  3. Step 3: Cross multiply
    366,612.85x = 505,945.92 × 205,519.69
  4. Step 4: Simplify right side
    366,612.85x = 103,981,848,635.17
  5. Step 5: Solve for x
    x = 103,981,848,635.17/366,612.85
  6. Step 6: Final answer
    x = 283,628.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.