Home / 1,214,974.11-1,662,093.27-1,209,856.53

Finding the Fourth Proportional to 1,214,974.11, 1,662,093.27 and 1,209,856.53

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Solution

The fourth proportional to 1,214,974.11, 1,662,093.27 and 1,209,856.53 is: 1,655,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,974.11 : 1,662,093.27 = 1,209,856.53 : x
  2. Step 2: Convert to fraction form
    1,214,974.11/1,662,093.27 = 1,209,856.53/x
  3. Step 3: Cross multiply
    1,214,974.11x = 1,662,093.27 × 1,209,856.53
  4. Step 4: Simplify right side
    1,214,974.11x = 2,010,894,396,178.55
  5. Step 5: Solve for x
    x = 2,010,894,396,178.55/1,214,974.11
  6. Step 6: Final answer
    x = 1,655,092.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.