Home / 718,609.50-1,077,601.30-206,161.56

Finding the Fourth Proportional to 718,609.50, 1,077,601.30 and 206,161.56

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Solution

The fourth proportional to 718,609.50, 1,077,601.30 and 206,161.56 is: 309,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,609.50 : 1,077,601.30 = 206,161.56 : x
  2. Step 2: Convert to fraction form
    718,609.50/1,077,601.30 = 206,161.56/x
  3. Step 3: Cross multiply
    718,609.50x = 1,077,601.30 × 206,161.56
  4. Step 4: Simplify right side
    718,609.50x = 222,159,964,550.62
  5. Step 5: Solve for x
    x = 222,159,964,550.62/718,609.50
  6. Step 6: Final answer
    x = 309,152.56

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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.