Home / 1,511,667.40-2,086,022.28-938,695.27

Finding the Fourth Proportional to 1,511,667.40, 2,086,022.28 and 938,695.27

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Solution

The fourth proportional to 1,511,667.40, 2,086,022.28 and 938,695.27 is: 1,295,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,667.40 : 2,086,022.28 = 938,695.27 : x
  2. Step 2: Convert to fraction form
    1,511,667.40/2,086,022.28 = 938,695.27/x
  3. Step 3: Cross multiply
    1,511,667.40x = 2,086,022.28 × 938,695.27
  4. Step 4: Simplify right side
    1,511,667.40x = 1,958,139,247,350.62
  5. Step 5: Solve for x
    x = 1,958,139,247,350.62/1,511,667.40
  6. Step 6: Final answer
    x = 1,295,350.58

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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.