Home / 427,228.71-589,563.96-236,235.57

Finding the Fourth Proportional to 427,228.71, 589,563.96 and 236,235.57

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Solution

The fourth proportional to 427,228.71, 589,563.96 and 236,235.57 is: 325,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,228.71 : 589,563.96 = 236,235.57 : x
  2. Step 2: Convert to fraction form
    427,228.71/589,563.96 = 236,235.57/x
  3. Step 3: Cross multiply
    427,228.71x = 589,563.96 × 236,235.57
  4. Step 4: Simplify right side
    427,228.71x = 139,275,978,142.06
  5. Step 5: Solve for x
    x = 139,275,978,142.06/427,228.71
  6. Step 6: Final answer
    x = 325,998.64

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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.