Home / 936,687.20-1,405,057.45-296,993.80

Finding the Fourth Proportional to 936,687.20, 1,405,057.45 and 296,993.80

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Solution

The fourth proportional to 936,687.20, 1,405,057.45 and 296,993.80 is: 445,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,687.20 : 1,405,057.45 = 296,993.80 : x
  2. Step 2: Convert to fraction form
    936,687.20/1,405,057.45 = 296,993.80/x
  3. Step 3: Cross multiply
    936,687.20x = 1,405,057.45 × 296,993.80
  4. Step 4: Simplify right side
    936,687.20x = 417,293,344,961.06
  5. Step 5: Solve for x
    x = 417,293,344,961.06/936,687.20
  6. Step 6: Final answer
    x = 445,499.15

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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.