Home / 1,065,676.77-1,599,145.61-392,231.07

Finding the Fourth Proportional to 1,065,676.77, 1,599,145.61 and 392,231.07

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Solution

The fourth proportional to 1,065,676.77, 1,599,145.61 and 392,231.07 is: 588,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,676.77 : 1,599,145.61 = 392,231.07 : x
  2. Step 2: Convert to fraction form
    1,065,676.77/1,599,145.61 = 392,231.07/x
  3. Step 3: Cross multiply
    1,065,676.77x = 1,599,145.61 × 392,231.07
  4. Step 4: Simplify right side
    1,065,676.77x = 627,234,591,734.95
  5. Step 5: Solve for x
    x = 627,234,591,734.95/1,065,676.77
  6. Step 6: Final answer
    x = 588,578.65

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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.