Home / 951,608.44-1,313,021.10-645,921.40

Finding the Fourth Proportional to 951,608.44, 1,313,021.10 and 645,921.40

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Solution

The fourth proportional to 951,608.44, 1,313,021.10 and 645,921.40 is: 891,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,608.44 : 1,313,021.10 = 645,921.40 : x
  2. Step 2: Convert to fraction form
    951,608.44/1,313,021.10 = 645,921.40/x
  3. Step 3: Cross multiply
    951,608.44x = 1,313,021.10 × 645,921.40
  4. Step 4: Simplify right side
    951,608.44x = 848,108,427,141.54
  5. Step 5: Solve for x
    x = 848,108,427,141.54/951,608.44
  6. Step 6: Final answer
    x = 891,236.76

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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.