Home / 1,419,489.20-1,958,903.06-807,641.95

Finding the Fourth Proportional to 1,419,489.20, 1,958,903.06 and 807,641.95

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Solution

The fourth proportional to 1,419,489.20, 1,958,903.06 and 807,641.95 is: 1,114,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,489.20 : 1,958,903.06 = 807,641.95 : x
  2. Step 2: Convert to fraction form
    1,419,489.20/1,958,903.06 = 807,641.95/x
  3. Step 3: Cross multiply
    1,419,489.20x = 1,958,903.06 × 807,641.95
  4. Step 4: Simplify right side
    1,419,489.20x = 1,582,092,286,861.06
  5. Step 5: Solve for x
    x = 1,582,092,286,861.06/1,419,489.20
  6. Step 6: Final answer
    x = 1,114,550.42

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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.