Home / 743,327.06-1,114,977.42-281,793.86

Finding the Fourth Proportional to 743,327.06, 1,114,977.42 and 281,793.86

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Solution

The fourth proportional to 743,327.06, 1,114,977.42 and 281,793.86 is: 422,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,327.06 : 1,114,977.42 = 281,793.86 : x
  2. Step 2: Convert to fraction form
    743,327.06/1,114,977.42 = 281,793.86/x
  3. Step 3: Cross multiply
    743,327.06x = 1,114,977.42 × 281,793.86
  4. Step 4: Simplify right side
    743,327.06x = 314,193,785,419.75
  5. Step 5: Solve for x
    x = 314,193,785,419.75/743,327.06
  6. Step 6: Final answer
    x = 422,685.79

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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.