Home / 1,765,620.77-2,436,388.32-991,074.23

Finding the Fourth Proportional to 1,765,620.77, 2,436,388.32 and 991,074.23

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Solution

The fourth proportional to 1,765,620.77, 2,436,388.32 and 991,074.23 is: 1,367,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,620.77 : 2,436,388.32 = 991,074.23 : x
  2. Step 2: Convert to fraction form
    1,765,620.77/2,436,388.32 = 991,074.23/x
  3. Step 3: Cross multiply
    1,765,620.77x = 2,436,388.32 × 991,074.23
  4. Step 4: Simplify right side
    1,765,620.77x = 2,414,641,666,043.05
  5. Step 5: Solve for x
    x = 2,414,641,666,043.05/1,765,620.77
  6. Step 6: Final answer
    x = 1,367,587.94

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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.