Home / 982,451.70-1,355,781.24-552,732.12

Finding the Fourth Proportional to 982,451.70, 1,355,781.24 and 552,732.12

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Solution

The fourth proportional to 982,451.70, 1,355,781.24 and 552,732.12 is: 762,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,451.70 : 1,355,781.24 = 552,732.12 : x
  2. Step 2: Convert to fraction form
    982,451.70/1,355,781.24 = 552,732.12/x
  3. Step 3: Cross multiply
    982,451.70x = 1,355,781.24 × 552,732.12
  4. Step 4: Simplify right side
    982,451.70x = 749,383,839,041.43
  5. Step 5: Solve for x
    x = 749,383,839,041.43/982,451.70
  6. Step 6: Final answer
    x = 762,769.14

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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.