Home / 1,693,536.82-2,540,803.55-682,138.15

Finding the Fourth Proportional to 1,693,536.82, 2,540,803.55 and 682,138.15

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Solution

The fourth proportional to 1,693,536.82, 2,540,803.55 and 682,138.15 is: 1,023,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,536.82 : 2,540,803.55 = 682,138.15 : x
  2. Step 2: Convert to fraction form
    1,693,536.82/2,540,803.55 = 682,138.15/x
  3. Step 3: Cross multiply
    1,693,536.82x = 2,540,803.55 × 682,138.15
  4. Step 4: Simplify right side
    1,693,536.82x = 1,733,179,023,347.73
  5. Step 5: Solve for x
    x = 1,733,179,023,347.73/1,693,536.82
  6. Step 6: Final answer
    x = 1,023,407.94

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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.