Home / 1,275,958.70-1,760,822.04-702,998.90

Finding the Fourth Proportional to 1,275,958.70, 1,760,822.04 and 702,998.90

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Solution

The fourth proportional to 1,275,958.70, 1,760,822.04 and 702,998.90 is: 970,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,958.70 : 1,760,822.04 = 702,998.90 : x
  2. Step 2: Convert to fraction form
    1,275,958.70/1,760,822.04 = 702,998.90/x
  3. Step 3: Cross multiply
    1,275,958.70x = 1,760,822.04 × 702,998.90
  4. Step 4: Simplify right side
    1,275,958.70x = 1,237,855,957,215.76
  5. Step 5: Solve for x
    x = 1,237,855,957,215.76/1,275,958.70
  6. Step 6: Final answer
    x = 970,137.95

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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.