Home / 825,562.22-1,138,221.27-534,659.78

Finding the Fourth Proportional to 825,562.22, 1,138,221.27 and 534,659.78

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Solution

The fourth proportional to 825,562.22, 1,138,221.27 and 534,659.78 is: 737,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,562.22 : 1,138,221.27 = 534,659.78 : x
  2. Step 2: Convert to fraction form
    825,562.22/1,138,221.27 = 534,659.78/x
  3. Step 3: Cross multiply
    825,562.22x = 1,138,221.27 × 534,659.78
  4. Step 4: Simplify right side
    825,562.22x = 608,561,128,118.41
  5. Step 5: Solve for x
    x = 608,561,128,118.41/825,562.22
  6. Step 6: Final answer
    x = 737,147.51

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Double scale
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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.