Home / 1,777,453.20-2,666,801.88-515,356.56

Finding the Fourth Proportional to 1,777,453.20, 2,666,801.88 and 515,356.56

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Solution

The fourth proportional to 1,777,453.20, 2,666,801.88 and 515,356.56 is: 773,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,453.20 : 2,666,801.88 = 515,356.56 : x
  2. Step 2: Convert to fraction form
    1,777,453.20/2,666,801.88 = 515,356.56/x
  3. Step 3: Cross multiply
    1,777,453.20x = 2,666,801.88 × 515,356.56
  4. Step 4: Simplify right side
    1,777,453.20x = 1,374,353,843,078.33
  5. Step 5: Solve for x
    x = 1,374,353,843,078.33/1,777,453.20
  6. Step 6: Final answer
    x = 773,215.21

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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.