Home / 744,483.97-1,027,570.40-422,382.61

Finding the Fourth Proportional to 744,483.97, 1,027,570.40 and 422,382.61

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Solution

The fourth proportional to 744,483.97, 1,027,570.40 and 422,382.61 is: 582,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,483.97 : 1,027,570.40 = 422,382.61 : x
  2. Step 2: Convert to fraction form
    744,483.97/1,027,570.40 = 422,382.61/x
  3. Step 3: Cross multiply
    744,483.97x = 1,027,570.40 × 422,382.61
  4. Step 4: Simplify right side
    744,483.97x = 434,027,867,510.74
  5. Step 5: Solve for x
    x = 434,027,867,510.74/744,483.97
  6. Step 6: Final answer
    x = 582,991.56

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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.