Home / 927,647.94-1,279,588.30-613,318.66

Finding the Fourth Proportional to 927,647.94, 1,279,588.30 and 613,318.66

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Solution

The fourth proportional to 927,647.94, 1,279,588.30 and 613,318.66 is: 846,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,647.94 : 1,279,588.30 = 613,318.66 : x
  2. Step 2: Convert to fraction form
    927,647.94/1,279,588.30 = 613,318.66/x
  3. Step 3: Cross multiply
    927,647.94x = 1,279,588.30 × 613,318.66
  4. Step 4: Simplify right side
    927,647.94x = 784,795,381,507.68
  5. Step 5: Solve for x
    x = 784,795,381,507.68/927,647.94
  6. Step 6: Final answer
    x = 846,005.63

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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.