Home / 996,645.66-1,375,351.83-543,939.90

Finding the Fourth Proportional to 996,645.66, 1,375,351.83 and 543,939.90

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Solution

The fourth proportional to 996,645.66, 1,375,351.83 and 543,939.90 is: 750,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,645.66 : 1,375,351.83 = 543,939.90 : x
  2. Step 2: Convert to fraction form
    996,645.66/1,375,351.83 = 543,939.90/x
  3. Step 3: Cross multiply
    996,645.66x = 1,375,351.83 × 543,939.90
  4. Step 4: Simplify right side
    996,645.66x = 748,108,736,875.02
  5. Step 5: Solve for x
    x = 748,108,736,875.02/996,645.66
  6. Step 6: Final answer
    x = 750,626.59

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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.