Home / 1,394,187.20-2,091,972.64-552,720.32

Finding the Fourth Proportional to 1,394,187.20, 2,091,972.64 and 552,720.32

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Solution

The fourth proportional to 1,394,187.20, 2,091,972.64 and 552,720.32 is: 829,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,187.20 : 2,091,972.64 = 552,720.32 : x
  2. Step 2: Convert to fraction form
    1,394,187.20/2,091,972.64 = 552,720.32/x
  3. Step 3: Cross multiply
    1,394,187.20x = 2,091,972.64 × 552,720.32
  4. Step 4: Simplify right side
    1,394,187.20x = 1,156,275,787,012.04
  5. Step 5: Solve for x
    x = 1,156,275,787,012.04/1,394,187.20
  6. Step 6: Final answer
    x = 829,354.76

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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.