Home / 1,046,107.90-1,569,161.85-809,620.30

Finding the Fourth Proportional to 1,046,107.90, 1,569,161.85 and 809,620.30

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Solution

The fourth proportional to 1,046,107.90, 1,569,161.85 and 809,620.30 is: 1,214,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,107.90 : 1,569,161.85 = 809,620.30 : x
  2. Step 2: Convert to fraction form
    1,046,107.90/1,569,161.85 = 809,620.30/x
  3. Step 3: Cross multiply
    1,046,107.90x = 1,569,161.85 × 809,620.30
  4. Step 4: Simplify right side
    1,046,107.90x = 1,270,425,287,745.56
  5. Step 5: Solve for x
    x = 1,270,425,287,745.56/1,046,107.90
  6. Step 6: Final answer
    x = 1,214,430.45

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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.