Home / 792,887.87-1,189,321.18-193,854.20

Finding the Fourth Proportional to 792,887.87, 1,189,321.18 and 193,854.20

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Solution

The fourth proportional to 792,887.87, 1,189,321.18 and 193,854.20 is: 290,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,887.87 : 1,189,321.18 = 193,854.20 : x
  2. Step 2: Convert to fraction form
    792,887.87/1,189,321.18 = 193,854.20/x
  3. Step 3: Cross multiply
    792,887.87x = 1,189,321.18 × 193,854.20
  4. Step 4: Simplify right side
    792,887.87x = 230,554,899,460.72
  5. Step 5: Solve for x
    x = 230,554,899,460.72/792,887.87
  6. Step 6: Final answer
    x = 290,778.69

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1.5x scale

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.