Home / 811,006.43-1,119,212.44-443,505.17

Finding the Fourth Proportional to 811,006.43, 1,119,212.44 and 443,505.17

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Solution

The fourth proportional to 811,006.43, 1,119,212.44 and 443,505.17 is: 612,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,006.43 : 1,119,212.44 = 443,505.17 : x
  2. Step 2: Convert to fraction form
    811,006.43/1,119,212.44 = 443,505.17/x
  3. Step 3: Cross multiply
    811,006.43x = 1,119,212.44 × 443,505.17
  4. Step 4: Simplify right side
    811,006.43x = 496,376,505,157.58
  5. Step 5: Solve for x
    x = 496,376,505,157.58/811,006.43
  6. Step 6: Final answer
    x = 612,050.03

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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.