Home / 834,067.13-1,151,135.55-528,171.44

Finding the Fourth Proportional to 834,067.13, 1,151,135.55 and 528,171.44

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Solution

The fourth proportional to 834,067.13, 1,151,135.55 and 528,171.44 is: 728,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,067.13 : 1,151,135.55 = 528,171.44 : x
  2. Step 2: Convert to fraction form
    834,067.13/1,151,135.55 = 528,171.44/x
  3. Step 3: Cross multiply
    834,067.13x = 1,151,135.55 × 528,171.44
  4. Step 4: Simplify right side
    834,067.13x = 607,996,915,323.01
  5. Step 5: Solve for x
    x = 607,996,915,323.01/834,067.13
  6. Step 6: Final answer
    x = 728,954.42

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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.