Home / 998,796.56-1,378,001.64-568,771.76

Finding the Fourth Proportional to 998,796.56, 1,378,001.64 and 568,771.76

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Solution

The fourth proportional to 998,796.56, 1,378,001.64 and 568,771.76 is: 784,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,796.56 : 1,378,001.64 = 568,771.76 : x
  2. Step 2: Convert to fraction form
    998,796.56/1,378,001.64 = 568,771.76/x
  3. Step 3: Cross multiply
    998,796.56x = 1,378,001.64 × 568,771.76
  4. Step 4: Simplify right side
    998,796.56x = 783,768,418,065.69
  5. Step 5: Solve for x
    x = 783,768,418,065.69/998,796.56
  6. Step 6: Final answer
    x = 784,712.77

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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.