Home / 792,961.45-1,189,431.87-193,927.80

Finding the Fourth Proportional to 792,961.45, 1,189,431.87 and 193,927.80

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Solution

The fourth proportional to 792,961.45, 1,189,431.87 and 193,927.80 is: 290,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,961.45 : 1,189,431.87 = 193,927.80 : x
  2. Step 2: Convert to fraction form
    792,961.45/1,189,431.87 = 193,927.80/x
  3. Step 3: Cross multiply
    792,961.45x = 1,189,431.87 × 193,927.80
  4. Step 4: Simplify right side
    792,961.45x = 230,663,905,798.99
  5. Step 5: Solve for x
    x = 230,663,905,798.99/792,961.45
  6. Step 6: Final answer
    x = 290,889.18

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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.