Home / 1,159,171.39-1,599,112.17-819,826.75

Finding the Fourth Proportional to 1,159,171.39, 1,599,112.17 and 819,826.75

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Solution

The fourth proportional to 1,159,171.39, 1,599,112.17 and 819,826.75 is: 1,130,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,171.39 : 1,599,112.17 = 819,826.75 : x
  2. Step 2: Convert to fraction form
    1,159,171.39/1,599,112.17 = 819,826.75/x
  3. Step 3: Cross multiply
    1,159,171.39x = 1,599,112.17 × 819,826.75
  4. Step 4: Simplify right side
    1,159,171.39x = 1,310,994,933,216.55
  5. Step 5: Solve for x
    x = 1,310,994,933,216.55/1,159,171.39
  6. Step 6: Final answer
    x = 1,130,975.92

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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.