Home / 1,691,643.64-2,536,625.88-538,739.88

Finding the Fourth Proportional to 1,691,643.64, 2,536,625.88 and 538,739.88

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Solution

The fourth proportional to 1,691,643.64, 2,536,625.88 and 538,739.88 is: 807,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,643.64 : 2,536,625.88 = 538,739.88 : x
  2. Step 2: Convert to fraction form
    1,691,643.64/2,536,625.88 = 538,739.88/x
  3. Step 3: Cross multiply
    1,691,643.64x = 2,536,625.88 × 538,739.88
  4. Step 4: Simplify right side
    1,691,643.64x = 1,366,581,522,196.09
  5. Step 5: Solve for x
    x = 1,366,581,522,196.09/1,691,643.64
  6. Step 6: Final answer
    x = 807,842.44

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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.