Home / 1,519,399.60-2,278,258-621,471.86

Finding the Fourth Proportional to 1,519,399.60, 2,278,258 and 621,471.86

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Solution

The fourth proportional to 1,519,399.60, 2,278,258 and 621,471.86 is: 931,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,399.60 : 2,278,258 = 621,471.86 : x
  2. Step 2: Convert to fraction form
    1,519,399.60/2,278,258 = 621,471.86/x
  3. Step 3: Cross multiply
    1,519,399.60x = 2,278,258 × 621,471.86
  4. Step 4: Simplify right side
    1,519,399.60x = 1,415,873,236,819.88
  5. Step 5: Solve for x
    x = 1,415,873,236,819.88/1,519,399.60
  6. Step 6: Final answer
    x = 931,863.64

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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.