Home / 1,396,729.05-2,096,559.56-1,237,821.63

Finding the Fourth Proportional to 1,396,729.05, 2,096,559.56 and 1,237,821.63

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Solution

The fourth proportional to 1,396,729.05, 2,096,559.56 and 1,237,821.63 is: 1,858,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,729.05 : 2,096,559.56 = 1,237,821.63 : x
  2. Step 2: Convert to fraction form
    1,396,729.05/2,096,559.56 = 1,237,821.63/x
  3. Step 3: Cross multiply
    1,396,729.05x = 2,096,559.56 × 1,237,821.63
  4. Step 4: Simplify right side
    1,396,729.05x = 2,595,166,771,951.28
  5. Step 5: Solve for x
    x = 2,595,166,771,951.28/1,396,729.05
  6. Step 6: Final answer
    x = 1,858,031.64

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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.