Home / 393,935.56-590,853.80-109,647.44

Finding the Fourth Proportional to 393,935.56, 590,853.80 and 109,647.44

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Solution

The fourth proportional to 393,935.56, 590,853.80 and 109,647.44 is: 164,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,935.56 : 590,853.80 = 109,647.44 : x
  2. Step 2: Convert to fraction form
    393,935.56/590,853.80 = 109,647.44/x
  3. Step 3: Cross multiply
    393,935.56x = 590,853.80 × 109,647.44
  4. Step 4: Simplify right side
    393,935.56x = 64,785,606,584.27
  5. Step 5: Solve for x
    x = 64,785,606,584.27/393,935.56
  6. Step 6: Final answer
    x = 164,457.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.