Home / 493,961.06-681,700.38-300,444.36

Finding the Fourth Proportional to 493,961.06, 681,700.38 and 300,444.36

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Solution

The fourth proportional to 493,961.06, 681,700.38 and 300,444.36 is: 414,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,961.06 : 681,700.38 = 300,444.36 : x
  2. Step 2: Convert to fraction form
    493,961.06/681,700.38 = 300,444.36/x
  3. Step 3: Cross multiply
    493,961.06x = 681,700.38 × 300,444.36
  4. Step 4: Simplify right side
    493,961.06x = 204,813,034,380.86
  5. Step 5: Solve for x
    x = 204,813,034,380.86/493,961.06
  6. Step 6: Final answer
    x = 414,633.97

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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.