Home / 1,278,182.70-1,909,786.68-1,233,481.77

Finding the Fourth Proportional to 1,278,182.70, 1,909,786.68 and 1,233,481.77

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Solution

The fourth proportional to 1,278,182.70, 1,909,786.68 and 1,233,481.77 is: 1,842,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,182.70 : 1,909,786.68 = 1,233,481.77 : x
  2. Step 2: Convert to fraction form
    1,278,182.70/1,909,786.68 = 1,233,481.77/x
  3. Step 3: Cross multiply
    1,278,182.70x = 1,909,786.68 × 1,233,481.77
  4. Step 4: Simplify right side
    1,278,182.70x = 2,355,687,054,368.82
  5. Step 5: Solve for x
    x = 2,355,687,054,368.82/1,278,182.70
  6. Step 6: Final answer
    x = 1,842,997.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.