Home / 755,180.93-1,132,808.74-215,516.75

Finding the Fourth Proportional to 755,180.93, 1,132,808.74 and 215,516.75

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Solution

The fourth proportional to 755,180.93, 1,132,808.74 and 215,516.75 is: 323,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,180.93 : 1,132,808.74 = 215,516.75 : x
  2. Step 2: Convert to fraction form
    755,180.93/1,132,808.74 = 215,516.75/x
  3. Step 3: Cross multiply
    755,180.93x = 1,132,808.74 × 215,516.75
  4. Step 4: Simplify right side
    755,180.93x = 244,139,258,016.40
  5. Step 5: Solve for x
    x = 244,139,258,016.40/755,180.93
  6. Step 6: Final answer
    x = 323,285.78

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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.