Home / 1,449,068.64-1,999,675.77-868,619.64

Finding the Fourth Proportional to 1,449,068.64, 1,999,675.77 and 868,619.64

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Solution

The fourth proportional to 1,449,068.64, 1,999,675.77 and 868,619.64 is: 1,198,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,068.64 : 1,999,675.77 = 868,619.64 : x
  2. Step 2: Convert to fraction form
    1,449,068.64/1,999,675.77 = 868,619.64/x
  3. Step 3: Cross multiply
    1,449,068.64x = 1,999,675.77 × 868,619.64
  4. Step 4: Simplify right side
    1,449,068.64x = 1,736,957,647,454.12
  5. Step 5: Solve for x
    x = 1,736,957,647,454.12/1,449,068.64
  6. Step 6: Final answer
    x = 1,198,671.75

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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.