Home / 427,964.36-590,590.78-236,977.75

Finding the Fourth Proportional to 427,964.36, 590,590.78 and 236,977.75

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Solution

The fourth proportional to 427,964.36, 590,590.78 and 236,977.75 is: 327,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,964.36 : 590,590.78 = 236,977.75 : x
  2. Step 2: Convert to fraction form
    427,964.36/590,590.78 = 236,977.75/x
  3. Step 3: Cross multiply
    427,964.36x = 590,590.78 × 236,977.75
  4. Step 4: Simplify right side
    427,964.36x = 139,956,870,077.30
  5. Step 5: Solve for x
    x = 139,956,870,077.30/427,964.36
  6. Step 6: Final answer
    x = 327,029.27

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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.