Home / 698,317.58-1,047,285.20-192,757.70

Finding the Fourth Proportional to 698,317.58, 1,047,285.20 and 192,757.70

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Solution

The fourth proportional to 698,317.58, 1,047,285.20 and 192,757.70 is: 289,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,317.58 : 1,047,285.20 = 192,757.70 : x
  2. Step 2: Convert to fraction form
    698,317.58/1,047,285.20 = 192,757.70/x
  3. Step 3: Cross multiply
    698,317.58x = 1,047,285.20 × 192,757.70
  4. Step 4: Simplify right side
    698,317.58x = 201,872,286,396.04
  5. Step 5: Solve for x
    x = 201,872,286,396.04/698,317.58
  6. Step 6: Final answer
    x = 289,083.78

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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.