Home / 835,660.54-1,253,010.03-445,685.83

Finding the Fourth Proportional to 835,660.54, 1,253,010.03 and 445,685.83

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Solution

The fourth proportional to 835,660.54, 1,253,010.03 and 445,685.83 is: 668,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,660.54 : 1,253,010.03 = 445,685.83 : x
  2. Step 2: Convert to fraction form
    835,660.54/1,253,010.03 = 445,685.83/x
  3. Step 3: Cross multiply
    835,660.54x = 1,253,010.03 × 445,685.83
  4. Step 4: Simplify right side
    835,660.54x = 558,448,815,218.88
  5. Step 5: Solve for x
    x = 558,448,815,218.88/835,660.54
  6. Step 6: Final answer
    x = 668,272.33

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Double scale
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1.5x scale

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.