Home / 823,819.14-1,136,284.08-756,054.78

Finding the Fourth Proportional to 823,819.14, 1,136,284.08 and 756,054.78

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Solution

The fourth proportional to 823,819.14, 1,136,284.08 and 756,054.78 is: 1,042,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,819.14 : 1,136,284.08 = 756,054.78 : x
  2. Step 2: Convert to fraction form
    823,819.14/1,136,284.08 = 756,054.78/x
  3. Step 3: Cross multiply
    823,819.14x = 1,136,284.08 × 756,054.78
  4. Step 4: Simplify right side
    823,819.14x = 859,093,010,121.90
  5. Step 5: Solve for x
    x = 859,093,010,121.90/823,819.14
  6. Step 6: Final answer
    x = 1,042,817.49

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1.5x scale

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.