Home / 1,673,387.72-2,309,274-909,441.44

Finding the Fourth Proportional to 1,673,387.72, 2,309,274 and 909,441.44

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Solution

The fourth proportional to 1,673,387.72, 2,309,274 and 909,441.44 is: 1,255,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,387.72 : 2,309,274 = 909,441.44 : x
  2. Step 2: Convert to fraction form
    1,673,387.72/2,309,274 = 909,441.44/x
  3. Step 3: Cross multiply
    1,673,387.72x = 2,309,274 × 909,441.44
  4. Step 4: Simplify right side
    1,673,387.72x = 2,100,149,471,914.56
  5. Step 5: Solve for x
    x = 2,100,149,471,914.56/1,673,387.72
  6. Step 6: Final answer
    x = 1,255,028.61

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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.