Home / 1,322,202.11-1,825,028.82-863,388

Finding the Fourth Proportional to 1,322,202.11, 1,825,028.82 and 863,388

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Solution

The fourth proportional to 1,322,202.11, 1,825,028.82 and 863,388 is: 1,191,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,202.11 : 1,825,028.82 = 863,388 : x
  2. Step 2: Convert to fraction form
    1,322,202.11/1,825,028.82 = 863,388/x
  3. Step 3: Cross multiply
    1,322,202.11x = 1,825,028.82 × 863,388
  4. Step 4: Simplify right side
    1,322,202.11x = 1,575,707,982,842.16
  5. Step 5: Solve for x
    x = 1,575,707,982,842.16/1,322,202.11
  6. Step 6: Final answer
    x = 1,191,730.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.