Home / 1,639,290.44-2,263,985.18-1,247,930.84

Finding the Fourth Proportional to 1,639,290.44, 2,263,985.18 and 1,247,930.84

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Solution

The fourth proportional to 1,639,290.44, 2,263,985.18 and 1,247,930.84 is: 1,723,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,290.44 : 2,263,985.18 = 1,247,930.84 : x
  2. Step 2: Convert to fraction form
    1,639,290.44/2,263,985.18 = 1,247,930.84/x
  3. Step 3: Cross multiply
    1,639,290.44x = 2,263,985.18 × 1,247,930.84
  4. Step 4: Simplify right side
    1,639,290.44x = 2,825,296,909,865.37
  5. Step 5: Solve for x
    x = 2,825,296,909,865.37/1,639,290.44
  6. Step 6: Final answer
    x = 1,723,487.71

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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.