Home / 698,493.85-1,047,711.61-199,857.85

Finding the Fourth Proportional to 698,493.85, 1,047,711.61 and 199,857.85

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Solution

The fourth proportional to 698,493.85, 1,047,711.61 and 199,857.85 is: 299,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,493.85 : 1,047,711.61 = 199,857.85 : x
  2. Step 2: Convert to fraction form
    698,493.85/1,047,711.61 = 199,857.85/x
  3. Step 3: Cross multiply
    698,493.85x = 1,047,711.61 × 199,857.85
  4. Step 4: Simplify right side
    698,493.85x = 209,393,387,425.18
  5. Step 5: Solve for x
    x = 209,393,387,425.18/698,493.85
  6. Step 6: Final answer
    x = 299,778.43

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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.