Home / 744,059.52-1,027,020.69-485,975.97

Finding the Fourth Proportional to 744,059.52, 1,027,020.69 and 485,975.97

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Solution

The fourth proportional to 744,059.52, 1,027,020.69 and 485,975.97 is: 670,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,059.52 : 1,027,020.69 = 485,975.97 : x
  2. Step 2: Convert to fraction form
    744,059.52/1,027,020.69 = 485,975.97/x
  3. Step 3: Cross multiply
    744,059.52x = 1,027,020.69 × 485,975.97
  4. Step 4: Simplify right side
    744,059.52x = 499,107,376,032.82
  5. Step 5: Solve for x
    x = 499,107,376,032.82/744,059.52
  6. Step 6: Final answer
    x = 670,789.58

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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.