Home / 813,163.50-1,122,181.83-473,653.62

Finding the Fourth Proportional to 813,163.50, 1,122,181.83 and 473,653.62

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Solution

The fourth proportional to 813,163.50, 1,122,181.83 and 473,653.62 is: 653,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,163.50 : 1,122,181.83 = 473,653.62 : x
  2. Step 2: Convert to fraction form
    813,163.50/1,122,181.83 = 473,653.62/x
  3. Step 3: Cross multiply
    813,163.50x = 1,122,181.83 × 473,653.62
  4. Step 4: Simplify right side
    813,163.50x = 531,525,486,077.73
  5. Step 5: Solve for x
    x = 531,525,486,077.73/813,163.50
  6. Step 6: Final answer
    x = 653,651.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.