Home / 1,278,783.56-1,915,713.48-799,198.76

Finding the Fourth Proportional to 1,278,783.56, 1,915,713.48 and 799,198.76

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Solution

The fourth proportional to 1,278,783.56, 1,915,713.48 and 799,198.76 is: 1,197,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,783.56 : 1,915,713.48 = 799,198.76 : x
  2. Step 2: Convert to fraction form
    1,278,783.56/1,915,713.48 = 799,198.76/x
  3. Step 3: Cross multiply
    1,278,783.56x = 1,915,713.48 × 799,198.76
  4. Step 4: Simplify right side
    1,278,783.56x = 1,531,035,837,731.29
  5. Step 5: Solve for x
    x = 1,531,035,837,731.29/1,278,783.56
  6. Step 6: Final answer
    x = 1,197,259.56

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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.