Home / 409,028.39-564,453.79-236,969.81

Finding the Fourth Proportional to 409,028.39, 564,453.79 and 236,969.81

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Solution

The fourth proportional to 409,028.39, 564,453.79 and 236,969.81 is: 327,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,028.39 : 564,453.79 = 236,969.81 : x
  2. Step 2: Convert to fraction form
    409,028.39/564,453.79 = 236,969.81/x
  3. Step 3: Cross multiply
    409,028.39x = 564,453.79 × 236,969.81
  4. Step 4: Simplify right side
    409,028.39x = 133,758,507,370.08
  5. Step 5: Solve for x
    x = 133,758,507,370.08/409,028.39
  6. Step 6: Final answer
    x = 327,015.22

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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.