Home / 1,659,390.58-2,289,932.85-934,236.66

Finding the Fourth Proportional to 1,659,390.58, 2,289,932.85 and 934,236.66

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Solution

The fourth proportional to 1,659,390.58, 2,289,932.85 and 934,236.66 is: 1,289,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,390.58 : 2,289,932.85 = 934,236.66 : x
  2. Step 2: Convert to fraction form
    1,659,390.58/2,289,932.85 = 934,236.66/x
  3. Step 3: Cross multiply
    1,659,390.58x = 2,289,932.85 × 934,236.66
  4. Step 4: Simplify right side
    1,659,390.58x = 2,139,339,217,408.28
  5. Step 5: Solve for x
    x = 2,139,339,217,408.28/1,659,390.58
  6. Step 6: Final answer
    x = 1,289,231.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.