Home / 878,201.52-1,211,917.86-475,793.52

Finding the Fourth Proportional to 878,201.52, 1,211,917.86 and 475,793.52

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Solution

The fourth proportional to 878,201.52, 1,211,917.86 and 475,793.52 is: 656,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,201.52 : 1,211,917.86 = 475,793.52 : x
  2. Step 2: Convert to fraction form
    878,201.52/1,211,917.86 = 475,793.52/x
  3. Step 3: Cross multiply
    878,201.52x = 1,211,917.86 × 475,793.52
  4. Step 4: Simplify right side
    878,201.52x = 576,622,664,560.27
  5. Step 5: Solve for x
    x = 576,622,664,560.27/878,201.52
  6. Step 6: Final answer
    x = 656,594.93

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1.5x scale

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.