Home / 744,456.42-1,027,350.54-422,167.95

Finding the Fourth Proportional to 744,456.42, 1,027,350.54 and 422,167.95

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Solution

The fourth proportional to 744,456.42, 1,027,350.54 and 422,167.95 is: 582,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,456.42 : 1,027,350.54 = 422,167.95 : x
  2. Step 2: Convert to fraction form
    744,456.42/1,027,350.54 = 422,167.95/x
  3. Step 3: Cross multiply
    744,456.42x = 1,027,350.54 × 422,167.95
  4. Step 4: Simplify right side
    744,456.42x = 433,714,471,403.19
  5. Step 5: Solve for x
    x = 433,714,471,403.19/744,456.42
  6. Step 6: Final answer
    x = 582,592.16

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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.