Home / 1,765,747.60-2,650,003.80-819,235.60

Finding the Fourth Proportional to 1,765,747.60, 2,650,003.80 and 819,235.60

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Solution

The fourth proportional to 1,765,747.60, 2,650,003.80 and 819,235.60 is: 1,229,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,747.60 : 2,650,003.80 = 819,235.60 : x
  2. Step 2: Convert to fraction form
    1,765,747.60/2,650,003.80 = 819,235.60/x
  3. Step 3: Cross multiply
    1,765,747.60x = 2,650,003.80 × 819,235.60
  4. Step 4: Simplify right side
    1,765,747.60x = 2,170,977,453,095.28
  5. Step 5: Solve for x
    x = 2,170,977,453,095.28/1,765,747.60
  6. Step 6: Final answer
    x = 1,229,494.78

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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.