Home / 979,587.25-1,469,947.77-410,917.42

Finding the Fourth Proportional to 979,587.25, 1,469,947.77 and 410,917.42

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Solution

The fourth proportional to 979,587.25, 1,469,947.77 and 410,917.42 is: 616,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,587.25 : 1,469,947.77 = 410,917.42 : x
  2. Step 2: Convert to fraction form
    979,587.25/1,469,947.77 = 410,917.42/x
  3. Step 3: Cross multiply
    979,587.25x = 1,469,947.77 × 410,917.42
  4. Step 4: Simplify right side
    979,587.25x = 604,027,145,183.15
  5. Step 5: Solve for x
    x = 604,027,145,183.15/979,587.25
  6. Step 6: Final answer
    x = 616,613.93

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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.