Home / 905,997.25-1,250,277-498,106.03

Finding the Fourth Proportional to 905,997.25, 1,250,277 and 498,106.03

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Solution

The fourth proportional to 905,997.25, 1,250,277 and 498,106.03 is: 687,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,997.25 : 1,250,277 = 498,106.03 : x
  2. Step 2: Convert to fraction form
    905,997.25/1,250,277 = 498,106.03/x
  3. Step 3: Cross multiply
    905,997.25x = 1,250,277 × 498,106.03
  4. Step 4: Simplify right side
    905,997.25x = 622,770,512,870.31
  5. Step 5: Solve for x
    x = 622,770,512,870.31/905,997.25
  6. Step 6: Final answer
    x = 687,386.76

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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.