Home / 609,396.86-913,535.42-209,942.66

Finding the Fourth Proportional to 609,396.86, 913,535.42 and 209,942.66

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Solution

The fourth proportional to 609,396.86, 913,535.42 and 209,942.66 is: 314,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,396.86 : 913,535.42 = 209,942.66 : x
  2. Step 2: Convert to fraction form
    609,396.86/913,535.42 = 209,942.66/x
  3. Step 3: Cross multiply
    609,396.86x = 913,535.42 × 209,942.66
  4. Step 4: Simplify right side
    609,396.86x = 191,790,056,079.02
  5. Step 5: Solve for x
    x = 191,790,056,079.02/609,396.86
  6. Step 6: Final answer
    x = 314,721.11

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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.