Home / 1,442,261.10-2,163,745.89-495,645.42

Finding the Fourth Proportional to 1,442,261.10, 2,163,745.89 and 495,645.42

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Solution

The fourth proportional to 1,442,261.10, 2,163,745.89 and 495,645.42 is: 743,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,261.10 : 2,163,745.89 = 495,645.42 : x
  2. Step 2: Convert to fraction form
    1,442,261.10/2,163,745.89 = 495,645.42/x
  3. Step 3: Cross multiply
    1,442,261.10x = 2,163,745.89 × 495,645.42
  4. Step 4: Simplify right side
    1,442,261.10x = 1,072,450,740,422.32
  5. Step 5: Solve for x
    x = 1,072,450,740,422.32/1,442,261.10
  6. Step 6: Final answer
    x = 743,589.87

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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.