Home / 744,769.54-1,027,857.60-438,944.38

Finding the Fourth Proportional to 744,769.54, 1,027,857.60 and 438,944.38

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Solution

The fourth proportional to 744,769.54, 1,027,857.60 and 438,944.38 is: 605,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,769.54 : 1,027,857.60 = 438,944.38 : x
  2. Step 2: Convert to fraction form
    744,769.54/1,027,857.60 = 438,944.38/x
  3. Step 3: Cross multiply
    744,769.54x = 1,027,857.60 × 438,944.38
  4. Step 4: Simplify right side
    744,769.54x = 451,172,316,960.29
  5. Step 5: Solve for x
    x = 451,172,316,960.29/744,769.54
  6. Step 6: Final answer
    x = 605,787.82

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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.