Home / 1,412,928.18-1,949,892.21-809,432.82

Finding the Fourth Proportional to 1,412,928.18, 1,949,892.21 and 809,432.82

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Solution

The fourth proportional to 1,412,928.18, 1,949,892.21 and 809,432.82 is: 1,117,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,928.18 : 1,949,892.21 = 809,432.82 : x
  2. Step 2: Convert to fraction form
    1,412,928.18/1,949,892.21 = 809,432.82/x
  3. Step 3: Cross multiply
    1,412,928.18x = 1,949,892.21 × 809,432.82
  4. Step 4: Simplify right side
    1,412,928.18x = 1,578,306,750,236.33
  5. Step 5: Solve for x
    x = 1,578,306,750,236.33/1,412,928.18
  6. Step 6: Final answer
    x = 1,117,046.69

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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.