Home / 762,049.20-1,065,469.20-762,049.20

Finding the Fourth Proportional to 762,049.20, 1,065,469.20 and 762,049.20

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Solution

The fourth proportional to 762,049.20, 1,065,469.20 and 762,049.20 is: 1,065,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,049.20 : 1,065,469.20 = 762,049.20 : x
  2. Step 2: Convert to fraction form
    762,049.20/1,065,469.20 = 762,049.20/x
  3. Step 3: Cross multiply
    762,049.20x = 1,065,469.20 × 762,049.20
  4. Step 4: Simplify right side
    762,049.20x = 811,939,951,484.64
  5. Step 5: Solve for x
    x = 811,939,951,484.64/762,049.20
  6. Step 6: Final answer
    x = 1,065,469.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.