Home / 1,419,558.09-1,959,101.96-807,736.61

Finding the Fourth Proportional to 1,419,558.09, 1,959,101.96 and 807,736.61

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Solution

The fourth proportional to 1,419,558.09, 1,959,101.96 and 807,736.61 is: 1,114,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,558.09 : 1,959,101.96 = 807,736.61 : x
  2. Step 2: Convert to fraction form
    1,419,558.09/1,959,101.96 = 807,736.61/x
  3. Step 3: Cross multiply
    1,419,558.09x = 1,959,101.96 × 807,736.61
  4. Step 4: Simplify right side
    1,419,558.09x = 1,582,438,361,980.56
  5. Step 5: Solve for x
    x = 1,582,438,361,980.56/1,419,558.09
  6. Step 6: Final answer
    x = 1,114,740.12

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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.