Home / 994,563.45-1,372,449.83-564,786.81

Finding the Fourth Proportional to 994,563.45, 1,372,449.83 and 564,786.81

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Solution

The fourth proportional to 994,563.45, 1,372,449.83 and 564,786.81 is: 779,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,563.45 : 1,372,449.83 = 564,786.81 : x
  2. Step 2: Convert to fraction form
    994,563.45/1,372,449.83 = 564,786.81/x
  3. Step 3: Cross multiply
    994,563.45x = 1,372,449.83 × 564,786.81
  4. Step 4: Simplify right side
    994,563.45x = 775,141,558,546.81
  5. Step 5: Solve for x
    x = 775,141,558,546.81/994,563.45
  6. Step 6: Final answer
    x = 779,378.69

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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.