Home / 1,321,150.66-1,823,191.44-777,306.94

Finding the Fourth Proportional to 1,321,150.66, 1,823,191.44 and 777,306.94

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Solution

The fourth proportional to 1,321,150.66, 1,823,191.44 and 777,306.94 is: 1,072,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,150.66 : 1,823,191.44 = 777,306.94 : x
  2. Step 2: Convert to fraction form
    1,321,150.66/1,823,191.44 = 777,306.94/x
  3. Step 3: Cross multiply
    1,321,150.66x = 1,823,191.44 × 777,306.94
  4. Step 4: Simplify right side
    1,321,150.66x = 1,417,179,359,260.59
  5. Step 5: Solve for x
    x = 1,417,179,359,260.59/1,321,150.66
  6. Step 6: Final answer
    x = 1,072,685.65

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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.