Home / 1,206,111.82-1,664,453.26-662,296.50

Finding the Fourth Proportional to 1,206,111.82, 1,664,453.26 and 662,296.50

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Solution

The fourth proportional to 1,206,111.82, 1,664,453.26 and 662,296.50 is: 913,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,111.82 : 1,664,453.26 = 662,296.50 : x
  2. Step 2: Convert to fraction form
    1,206,111.82/1,664,453.26 = 662,296.50/x
  3. Step 3: Cross multiply
    1,206,111.82x = 1,664,453.26 × 662,296.50
  4. Step 4: Simplify right side
    1,206,111.82x = 1,102,361,565,614.04
  5. Step 5: Solve for x
    x = 1,102,361,565,614.04/1,206,111.82
  6. Step 6: Final answer
    x = 913,979.57

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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.