Home / 998,668.32-1,378,063.26-568,922.82

Finding the Fourth Proportional to 998,668.32, 1,378,063.26 and 568,922.82

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Solution

The fourth proportional to 998,668.32, 1,378,063.26 and 568,922.82 is: 785,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,668.32 : 1,378,063.26 = 568,922.82 : x
  2. Step 2: Convert to fraction form
    998,668.32/1,378,063.26 = 568,922.82/x
  3. Step 3: Cross multiply
    998,668.32x = 1,378,063.26 × 568,922.82
  4. Step 4: Simplify right side
    998,668.32x = 784,011,636,017.59
  5. Step 5: Solve for x
    x = 784,011,636,017.59/998,668.32
  6. Step 6: Final answer
    x = 785,057.08

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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.