Home / 1,311,711.92-1,963,123.83-806,592.86

Finding the Fourth Proportional to 1,311,711.92, 1,963,123.83 and 806,592.86

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Solution

The fourth proportional to 1,311,711.92, 1,963,123.83 and 806,592.86 is: 1,207,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,711.92 : 1,963,123.83 = 806,592.86 : x
  2. Step 2: Convert to fraction form
    1,311,711.92/1,963,123.83 = 806,592.86/x
  3. Step 3: Cross multiply
    1,311,711.92x = 1,963,123.83 × 806,592.86
  4. Step 4: Simplify right side
    1,311,711.92x = 1,583,441,654,758.23
  5. Step 5: Solve for x
    x = 1,583,441,654,758.23/1,311,711.92
  6. Step 6: Final answer
    x = 1,207,156.57

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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.