Home / 1,273.60-1,910.16-623.92

Finding the Fourth Proportional to 1,273.60, 1,910.16 and 623.92

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Solution

The fourth proportional to 1,273.60, 1,910.16 and 623.92 is: 935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.60 : 1,910.16 = 623.92 : x
  2. Step 2: Convert to fraction form
    1,273.60/1,910.16 = 623.92/x
  3. Step 3: Cross multiply
    1,273.60x = 1,910.16 × 623.92
  4. Step 4: Simplify right side
    1,273.60x = 1,191,787.03
  5. Step 5: Solve for x
    x = 1,191,787.03/1,273.60
  6. Step 6: Final answer
    x = 935.76

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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.