Home / 996,991.26-1,372,384.38-869,445.42

Finding the Fourth Proportional to 996,991.26, 1,372,384.38 and 869,445.42

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Solution

The fourth proportional to 996,991.26, 1,372,384.38 and 869,445.42 is: 1,196,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,991.26 : 1,372,384.38 = 869,445.42 : x
  2. Step 2: Convert to fraction form
    996,991.26/1,372,384.38 = 869,445.42/x
  3. Step 3: Cross multiply
    996,991.26x = 1,372,384.38 × 869,445.42
  4. Step 4: Simplify right side
    996,991.26x = 1,193,213,313,670.54
  5. Step 5: Solve for x
    x = 1,193,213,313,670.54/996,991.26
  6. Step 6: Final answer
    x = 1,196,814.22

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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.