Home / 805,537.20-1,206,923.40-383,905.20

Finding the Fourth Proportional to 805,537.20, 1,206,923.40 and 383,905.20

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Solution

The fourth proportional to 805,537.20, 1,206,923.40 and 383,905.20 is: 575,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,537.20 : 1,206,923.40 = 383,905.20 : x
  2. Step 2: Convert to fraction form
    805,537.20/1,206,923.40 = 383,905.20/x
  3. Step 3: Cross multiply
    805,537.20x = 1,206,923.40 × 383,905.20
  4. Step 4: Simplify right side
    805,537.20x = 463,344,169,261.68
  5. Step 5: Solve for x
    x = 463,344,169,261.68/805,537.20
  6. Step 6: Final answer
    x = 575,198.97

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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.