Home / 766,422.60-1,057,663.44-444,319.44

Finding the Fourth Proportional to 766,422.60, 1,057,663.44 and 444,319.44

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Solution

The fourth proportional to 766,422.60, 1,057,663.44 and 444,319.44 is: 613,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,422.60 : 1,057,663.44 = 444,319.44 : x
  2. Step 2: Convert to fraction form
    766,422.60/1,057,663.44 = 444,319.44/x
  3. Step 3: Cross multiply
    766,422.60x = 1,057,663.44 × 444,319.44
  4. Step 4: Simplify right side
    766,422.60x = 469,940,427,369.27
  5. Step 5: Solve for x
    x = 469,940,427,369.27/766,422.60
  6. Step 6: Final answer
    x = 613,160.97

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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.