Home / 431,629.81-595,649.51-240,639.37

Finding the Fourth Proportional to 431,629.81, 595,649.51 and 240,639.37

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Solution

The fourth proportional to 431,629.81, 595,649.51 and 240,639.37 is: 332,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,629.81 : 595,649.51 = 240,639.37 : x
  2. Step 2: Convert to fraction form
    431,629.81/595,649.51 = 240,639.37/x
  3. Step 3: Cross multiply
    431,629.81x = 595,649.51 × 240,639.37
  4. Step 4: Simplify right side
    431,629.81x = 143,336,722,827.21
  5. Step 5: Solve for x
    x = 143,336,722,827.21/431,629.81
  6. Step 6: Final answer
    x = 332,082.54

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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.