Home / 837,809.28-1,256,538.24-276,716.16

Finding the Fourth Proportional to 837,809.28, 1,256,538.24 and 276,716.16

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Solution

The fourth proportional to 837,809.28, 1,256,538.24 and 276,716.16 is: 415,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,809.28 : 1,256,538.24 = 276,716.16 : x
  2. Step 2: Convert to fraction form
    837,809.28/1,256,538.24 = 276,716.16/x
  3. Step 3: Cross multiply
    837,809.28x = 1,256,538.24 × 276,716.16
  4. Step 4: Simplify right side
    837,809.28x = 347,704,436,665.96
  5. Step 5: Solve for x
    x = 347,704,436,665.96/837,809.28
  6. Step 6: Final answer
    x = 415,016.22

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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.