Home / 1,192,495.12-1,645,493.80-806,151.04

Finding the Fourth Proportional to 1,192,495.12, 1,645,493.80 and 806,151.04

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Solution

The fourth proportional to 1,192,495.12, 1,645,493.80 and 806,151.04 is: 1,112,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,495.12 : 1,645,493.80 = 806,151.04 : x
  2. Step 2: Convert to fraction form
    1,192,495.12/1,645,493.80 = 806,151.04/x
  3. Step 3: Cross multiply
    1,192,495.12x = 1,645,493.80 × 806,151.04
  4. Step 4: Simplify right side
    1,192,495.12x = 1,326,516,538,183.55
  5. Step 5: Solve for x
    x = 1,326,516,538,183.55/1,192,495.12
  6. Step 6: Final answer
    x = 1,112,387.39

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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.