Home / 1,765,628.30-2,436,398.64-991,081.73

Finding the Fourth Proportional to 1,765,628.30, 2,436,398.64 and 991,081.73

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Solution

The fourth proportional to 1,765,628.30, 2,436,398.64 and 991,081.73 is: 1,367,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,628.30 : 2,436,398.64 = 991,081.73 : x
  2. Step 2: Convert to fraction form
    1,765,628.30/2,436,398.64 = 991,081.73/x
  3. Step 3: Cross multiply
    1,765,628.30x = 2,436,398.64 × 991,081.73
  4. Step 4: Simplify right side
    1,765,628.30x = 2,414,670,179,100.85
  5. Step 5: Solve for x
    x = 2,414,670,179,100.85/1,765,628.30
  6. Step 6: Final answer
    x = 1,367,598.25

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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.