Home / 1,199,015.87-1,799,804.21-516,240.95

Finding the Fourth Proportional to 1,199,015.87, 1,799,804.21 and 516,240.95

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Solution

The fourth proportional to 1,199,015.87, 1,799,804.21 and 516,240.95 is: 774,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,015.87 : 1,799,804.21 = 516,240.95 : x
  2. Step 2: Convert to fraction form
    1,199,015.87/1,799,804.21 = 516,240.95/x
  3. Step 3: Cross multiply
    1,199,015.87x = 1,799,804.21 × 516,240.95
  4. Step 4: Simplify right side
    1,199,015.87x = 929,132,623,604.17
  5. Step 5: Solve for x
    x = 929,132,623,604.17/1,199,015.87
  6. Step 6: Final answer
    x = 774,912.70

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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.