Home / 1,298,511.15-1,947,766.73-850,613.55

Finding the Fourth Proportional to 1,298,511.15, 1,947,766.73 and 850,613.55

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Solution

The fourth proportional to 1,298,511.15, 1,947,766.73 and 850,613.55 is: 1,275,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,511.15 : 1,947,766.73 = 850,613.55 : x
  2. Step 2: Convert to fraction form
    1,298,511.15/1,947,766.73 = 850,613.55/x
  3. Step 3: Cross multiply
    1,298,511.15x = 1,947,766.73 × 850,613.55
  4. Step 4: Simplify right side
    1,298,511.15x = 1,656,796,768,524.12
  5. Step 5: Solve for x
    x = 1,656,796,768,524.12/1,298,511.15
  6. Step 6: Final answer
    x = 1,275,920.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.