Home / 823,097.58-1,240,815.62-768,231.21

Finding the Fourth Proportional to 823,097.58, 1,240,815.62 and 768,231.21

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Solution

The fourth proportional to 823,097.58, 1,240,815.62 and 768,231.21 is: 1,158,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,097.58 : 1,240,815.62 = 768,231.21 : x
  2. Step 2: Convert to fraction form
    823,097.58/1,240,815.62 = 768,231.21/x
  3. Step 3: Cross multiply
    823,097.58x = 1,240,815.62 × 768,231.21
  4. Step 4: Simplify right side
    823,097.58x = 953,233,285,139.50
  5. Step 5: Solve for x
    x = 953,233,285,139.50/823,097.58
  6. Step 6: Final answer
    x = 1,158,104.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.