Home / 1,205,194.26-1,663,163.52-661,339.15

Finding the Fourth Proportional to 1,205,194.26, 1,663,163.52 and 661,339.15

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Solution

The fourth proportional to 1,205,194.26, 1,663,163.52 and 661,339.15 is: 912,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,194.26 : 1,663,163.52 = 661,339.15 : x
  2. Step 2: Convert to fraction form
    1,205,194.26/1,663,163.52 = 661,339.15/x
  3. Step 3: Cross multiply
    1,205,194.26x = 1,663,163.52 × 661,339.15
  4. Step 4: Simplify right side
    1,205,194.26x = 1,099,915,150,706.76
  5. Step 5: Solve for x
    x = 1,099,915,150,706.76/1,205,194.26
  6. Step 6: Final answer
    x = 912,645.52

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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.