Home / 792,003.71-1,187,612.13-252,189.51

Finding the Fourth Proportional to 792,003.71, 1,187,612.13 and 252,189.51

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Solution

The fourth proportional to 792,003.71, 1,187,612.13 and 252,189.51 is: 378,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,003.71 : 1,187,612.13 = 252,189.51 : x
  2. Step 2: Convert to fraction form
    792,003.71/1,187,612.13 = 252,189.51/x
  3. Step 3: Cross multiply
    792,003.71x = 1,187,612.13 × 252,189.51
  4. Step 4: Simplify right side
    792,003.71x = 299,503,321,134.76
  5. Step 5: Solve for x
    x = 299,503,321,134.76/792,003.71
  6. Step 6: Final answer
    x = 378,158.99

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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.