Home / 1,778,653.71-2,668,054.38-516,481.33

Finding the Fourth Proportional to 1,778,653.71, 2,668,054.38 and 516,481.33

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Solution

The fourth proportional to 1,778,653.71, 2,668,054.38 and 516,481.33 is: 774,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,653.71 : 2,668,054.38 = 516,481.33 : x
  2. Step 2: Convert to fraction form
    1,778,653.71/2,668,054.38 = 516,481.33/x
  3. Step 3: Cross multiply
    1,778,653.71x = 2,668,054.38 × 516,481.33
  4. Step 4: Simplify right side
    1,778,653.71x = 1,378,000,274,694.73
  5. Step 5: Solve for x
    x = 1,378,000,274,694.73/1,778,653.71
  6. Step 6: Final answer
    x = 774,743.43

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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.