Home / 957,371.23-1,321,174.16-521,793.44

Finding the Fourth Proportional to 957,371.23, 1,321,174.16 and 521,793.44

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Solution

The fourth proportional to 957,371.23, 1,321,174.16 and 521,793.44 is: 720,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,371.23 : 1,321,174.16 = 521,793.44 : x
  2. Step 2: Convert to fraction form
    957,371.23/1,321,174.16 = 521,793.44/x
  3. Step 3: Cross multiply
    957,371.23x = 1,321,174.16 × 521,793.44
  4. Step 4: Simplify right side
    957,371.23x = 689,380,016,014.08
  5. Step 5: Solve for x
    x = 689,380,016,014.08/957,371.23
  6. Step 6: Final answer
    x = 720,075.97

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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.