Home / 791,856.90-1,187,785.35-192,813.30

Finding the Fourth Proportional to 791,856.90, 1,187,785.35 and 192,813.30

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Solution

The fourth proportional to 791,856.90, 1,187,785.35 and 192,813.30 is: 289,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,856.90 : 1,187,785.35 = 192,813.30 : x
  2. Step 2: Convert to fraction form
    791,856.90/1,187,785.35 = 192,813.30/x
  3. Step 3: Cross multiply
    791,856.90x = 1,187,785.35 × 192,813.30
  4. Step 4: Simplify right side
    791,856.90x = 229,020,813,025.16
  5. Step 5: Solve for x
    x = 229,020,813,025.16/791,856.90
  6. Step 6: Final answer
    x = 289,219.95

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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.