Home / 468,819.79-646,974.43-253,959.87

Finding the Fourth Proportional to 468,819.79, 646,974.43 and 253,959.87

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Solution

The fourth proportional to 468,819.79, 646,974.43 and 253,959.87 is: 350,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,819.79 : 646,974.43 = 253,959.87 : x
  2. Step 2: Convert to fraction form
    468,819.79/646,974.43 = 253,959.87/x
  3. Step 3: Cross multiply
    468,819.79x = 646,974.43 × 253,959.87
  4. Step 4: Simplify right side
    468,819.79x = 164,305,540,866.33
  5. Step 5: Solve for x
    x = 164,305,540,866.33/468,819.79
  6. Step 6: Final answer
    x = 350,466.31

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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.