Home / 893,944.38-1,340,886.49-388,505.41

Finding the Fourth Proportional to 893,944.38, 1,340,886.49 and 388,505.41

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Solution

The fourth proportional to 893,944.38, 1,340,886.49 and 388,505.41 is: 582,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,944.38 : 1,340,886.49 = 388,505.41 : x
  2. Step 2: Convert to fraction form
    893,944.38/1,340,886.49 = 388,505.41/x
  3. Step 3: Cross multiply
    893,944.38x = 1,340,886.49 × 388,505.41
  4. Step 4: Simplify right side
    893,944.38x = 520,941,662,540.22
  5. Step 5: Solve for x
    x = 520,941,662,540.22/893,944.38
  6. Step 6: Final answer
    x = 582,745.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.