Home / 483,828.06-667,629.27-290,222.94

Finding the Fourth Proportional to 483,828.06, 667,629.27 and 290,222.94

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Solution

The fourth proportional to 483,828.06, 667,629.27 and 290,222.94 is: 400,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,828.06 : 667,629.27 = 290,222.94 : x
  2. Step 2: Convert to fraction form
    483,828.06/667,629.27 = 290,222.94/x
  3. Step 3: Cross multiply
    483,828.06x = 667,629.27 × 290,222.94
  4. Step 4: Simplify right side
    483,828.06x = 193,761,329,569.45
  5. Step 5: Solve for x
    x = 193,761,329,569.45/483,828.06
  6. Step 6: Final answer
    x = 400,475.59

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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.