Home / 837,712.27-1,255,693.60-410,656.78

Finding the Fourth Proportional to 837,712.27, 1,255,693.60 and 410,656.78

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Solution

The fourth proportional to 837,712.27, 1,255,693.60 and 410,656.78 is: 615,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,712.27 : 1,255,693.60 = 410,656.78 : x
  2. Step 2: Convert to fraction form
    837,712.27/1,255,693.60 = 410,656.78/x
  3. Step 3: Cross multiply
    837,712.27x = 1,255,693.60 × 410,656.78
  4. Step 4: Simplify right side
    837,712.27x = 515,659,088,272.01
  5. Step 5: Solve for x
    x = 515,659,088,272.01/837,712.27
  6. Step 6: Final answer
    x = 615,556.33

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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.