Home / 1,194,861.38-1,649,518.13-809,711.56

Finding the Fourth Proportional to 1,194,861.38, 1,649,518.13 and 809,711.56

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Solution

The fourth proportional to 1,194,861.38, 1,649,518.13 and 809,711.56 is: 1,117,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,861.38 : 1,649,518.13 = 809,711.56 : x
  2. Step 2: Convert to fraction form
    1,194,861.38/1,649,518.13 = 809,711.56/x
  3. Step 3: Cross multiply
    1,194,861.38x = 1,649,518.13 × 809,711.56
  4. Step 4: Simplify right side
    1,194,861.38x = 1,335,633,885,994.43
  5. Step 5: Solve for x
    x = 1,335,633,885,994.43/1,194,861.38
  6. Step 6: Final answer
    x = 1,117,814.93

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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.