Home / 1,419,416.22-1,958,769.09-807,555.81

Finding the Fourth Proportional to 1,419,416.22, 1,958,769.09 and 807,555.81

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Solution

The fourth proportional to 1,419,416.22, 1,958,769.09 and 807,555.81 is: 1,114,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,416.22 : 1,958,769.09 = 807,555.81 : x
  2. Step 2: Convert to fraction form
    1,419,416.22/1,958,769.09 = 807,555.81/x
  3. Step 3: Cross multiply
    1,419,416.22x = 1,958,769.09 × 807,555.81
  4. Step 4: Simplify right side
    1,419,416.22x = 1,581,815,359,077.91
  5. Step 5: Solve for x
    x = 1,581,815,359,077.91/1,419,416.22
  6. Step 6: Final answer
    x = 1,114,412.63

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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.