Home / 1,184,939.22-1,777,593.15-386,034.78

Finding the Fourth Proportional to 1,184,939.22, 1,777,593.15 and 386,034.78

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Solution

The fourth proportional to 1,184,939.22, 1,777,593.15 and 386,034.78 is: 579,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,939.22 : 1,777,593.15 = 386,034.78 : x
  2. Step 2: Convert to fraction form
    1,184,939.22/1,777,593.15 = 386,034.78/x
  3. Step 3: Cross multiply
    1,184,939.22x = 1,777,593.15 × 386,034.78
  4. Step 4: Simplify right side
    1,184,939.22x = 686,212,780,589.76
  5. Step 5: Solve for x
    x = 686,212,780,589.76/1,184,939.22
  6. Step 6: Final answer
    x = 579,112.22

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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.