Home / 744,009.68-1,026,689.76-404,474.96

Finding the Fourth Proportional to 744,009.68, 1,026,689.76 and 404,474.96

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Solution

The fourth proportional to 744,009.68, 1,026,689.76 and 404,474.96 is: 558,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,009.68 : 1,026,689.76 = 404,474.96 : x
  2. Step 2: Convert to fraction form
    744,009.68/1,026,689.76 = 404,474.96/x
  3. Step 3: Cross multiply
    744,009.68x = 1,026,689.76 × 404,474.96
  4. Step 4: Simplify right side
    744,009.68x = 415,270,299,608.41
  5. Step 5: Solve for x
    x = 415,270,299,608.41/744,009.68
  6. Step 6: Final answer
    x = 558,151.74

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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.