Home / 671,631.92-1,007,580.83-191,863.86

Finding the Fourth Proportional to 671,631.92, 1,007,580.83 and 191,863.86

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Solution

The fourth proportional to 671,631.92, 1,007,580.83 and 191,863.86 is: 287,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,631.92 : 1,007,580.83 = 191,863.86 : x
  2. Step 2: Convert to fraction form
    671,631.92/1,007,580.83 = 191,863.86/x
  3. Step 3: Cross multiply
    671,631.92x = 1,007,580.83 × 191,863.86
  4. Step 4: Simplify right side
    671,631.92x = 193,318,347,305.80
  5. Step 5: Solve for x
    x = 193,318,347,305.80/671,631.92
  6. Step 6: Final answer
    x = 287,833.77

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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.