Home / 744,755.14-1,027,731.83-422,458.32

Finding the Fourth Proportional to 744,755.14, 1,027,731.83 and 422,458.32

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Solution

The fourth proportional to 744,755.14, 1,027,731.83 and 422,458.32 is: 582,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,755.14 : 1,027,731.83 = 422,458.32 : x
  2. Step 2: Convert to fraction form
    744,755.14/1,027,731.83 = 422,458.32/x
  3. Step 3: Cross multiply
    744,755.14x = 1,027,731.83 × 422,458.32
  4. Step 4: Simplify right side
    744,755.14x = 434,173,856,346.04
  5. Step 5: Solve for x
    x = 434,173,856,346.04/744,755.14
  6. Step 6: Final answer
    x = 582,975.31

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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.