Home / 823,097.34-1,240,815.24-768,230.97

Finding the Fourth Proportional to 823,097.34, 1,240,815.24 and 768,230.97

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Solution

The fourth proportional to 823,097.34, 1,240,815.24 and 768,230.97 is: 1,158,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,097.34 : 1,240,815.24 = 768,230.97 : x
  2. Step 2: Convert to fraction form
    823,097.34/1,240,815.24 = 768,230.97/x
  3. Step 3: Cross multiply
    823,097.34x = 1,240,815.24 × 768,230.97
  4. Step 4: Simplify right side
    823,097.34x = 953,232,695,415.98
  5. Step 5: Solve for x
    x = 953,232,695,415.98/823,097.34
  6. Step 6: Final answer
    x = 1,158,104.45

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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.