Home / 969,891.30-1,455,493.05-543,426.30

Finding the Fourth Proportional to 969,891.30, 1,455,493.05 and 543,426.30

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Solution

The fourth proportional to 969,891.30, 1,455,493.05 and 543,426.30 is: 815,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,891.30 : 1,455,493.05 = 543,426.30 : x
  2. Step 2: Convert to fraction form
    969,891.30/1,455,493.05 = 543,426.30/x
  3. Step 3: Cross multiply
    969,891.30x = 1,455,493.05 × 543,426.30
  4. Step 4: Simplify right side
    969,891.30x = 790,953,202,837.22
  5. Step 5: Solve for x
    x = 790,953,202,837.22/969,891.30
  6. Step 6: Final answer
    x = 815,507.06

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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.