Home / 744,754.76-1,027,731.31-422,457.94

Finding the Fourth Proportional to 744,754.76, 1,027,731.31 and 422,457.94

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Solution

The fourth proportional to 744,754.76, 1,027,731.31 and 422,457.94 is: 582,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,754.76 : 1,027,731.31 = 422,457.94 : x
  2. Step 2: Convert to fraction form
    744,754.76/1,027,731.31 = 422,457.94/x
  3. Step 3: Cross multiply
    744,754.76x = 1,027,731.31 × 422,457.94
  4. Step 4: Simplify right side
    744,754.76x = 434,173,252,324.62
  5. Step 5: Solve for x
    x = 434,173,252,324.62/744,754.76
  6. Step 6: Final answer
    x = 582,974.79

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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.