Home / 1,208,787.18-1,811,353.92-808,711.75

Finding the Fourth Proportional to 1,208,787.18, 1,811,353.92 and 808,711.75

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Solution

The fourth proportional to 1,208,787.18, 1,811,353.92 and 808,711.75 is: 1,211,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,787.18 : 1,811,353.92 = 808,711.75 : x
  2. Step 2: Convert to fraction form
    1,208,787.18/1,811,353.92 = 808,711.75/x
  3. Step 3: Cross multiply
    1,208,787.18x = 1,811,353.92 × 808,711.75
  4. Step 4: Simplify right side
    1,208,787.18x = 1,464,863,198,512.56
  5. Step 5: Solve for x
    x = 1,464,863,198,512.56/1,208,787.18
  6. Step 6: Final answer
    x = 1,211,845.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.