Home / 1,248,593.90-1,873,765.65-800,404.70

Finding the Fourth Proportional to 1,248,593.90, 1,873,765.65 and 800,404.70

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Solution

The fourth proportional to 1,248,593.90, 1,873,765.65 and 800,404.70 is: 1,201,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,593.90 : 1,873,765.65 = 800,404.70 : x
  2. Step 2: Convert to fraction form
    1,248,593.90/1,873,765.65 = 800,404.70/x
  3. Step 3: Cross multiply
    1,248,593.90x = 1,873,765.65 × 800,404.70
  4. Step 4: Simplify right side
    1,248,593.90x = 1,499,770,832,958.56
  5. Step 5: Solve for x
    x = 1,499,770,832,958.56/1,248,593.90
  6. Step 6: Final answer
    x = 1,201,167.84

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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.