Home / 744,755.51-1,027,732.34-422,458.69

Finding the Fourth Proportional to 744,755.51, 1,027,732.34 and 422,458.69

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Solution

The fourth proportional to 744,755.51, 1,027,732.34 and 422,458.69 is: 582,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,755.51 : 1,027,732.34 = 422,458.69 : x
  2. Step 2: Convert to fraction form
    744,755.51/1,027,732.34 = 422,458.69/x
  3. Step 3: Cross multiply
    744,755.51x = 1,027,732.34 × 422,458.69
  4. Step 4: Simplify right side
    744,755.51x = 434,174,456,513.85
  5. Step 5: Solve for x
    x = 434,174,456,513.85/744,755.51
  6. Step 6: Final answer
    x = 582,975.82

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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.