Home / 998,933.85-1,378,262.93-569,204.82

Finding the Fourth Proportional to 998,933.85, 1,378,262.93 and 569,204.82

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Solution

The fourth proportional to 998,933.85, 1,378,262.93 and 569,204.82 is: 785,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,933.85 : 1,378,262.93 = 569,204.82 : x
  2. Step 2: Convert to fraction form
    998,933.85/1,378,262.93 = 569,204.82/x
  3. Step 3: Cross multiply
    998,933.85x = 1,378,262.93 × 569,204.82
  4. Step 4: Simplify right side
    998,933.85x = 784,513,900,137.30
  5. Step 5: Solve for x
    x = 784,513,900,137.30/998,933.85
  6. Step 6: Final answer
    x = 785,351.20

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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.