Home / 1,845,388.80-2,768,083.20-515,692.80

Finding the Fourth Proportional to 1,845,388.80, 2,768,083.20 and 515,692.80

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Solution

The fourth proportional to 1,845,388.80, 2,768,083.20 and 515,692.80 is: 773,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,388.80 : 2,768,083.20 = 515,692.80 : x
  2. Step 2: Convert to fraction form
    1,845,388.80/2,768,083.20 = 515,692.80/x
  3. Step 3: Cross multiply
    1,845,388.80x = 2,768,083.20 × 515,692.80
  4. Step 4: Simplify right side
    1,845,388.80x = 1,427,480,576,040.96
  5. Step 5: Solve for x
    x = 1,427,480,576,040.96/1,845,388.80
  6. Step 6: Final answer
    x = 773,539.20

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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.