Home / 422,319.72-582,801.36-231,336.24

Finding the Fourth Proportional to 422,319.72, 582,801.36 and 231,336.24

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Solution

The fourth proportional to 422,319.72, 582,801.36 and 231,336.24 is: 319,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,319.72 : 582,801.36 = 231,336.24 : x
  2. Step 2: Convert to fraction form
    422,319.72/582,801.36 = 231,336.24/x
  3. Step 3: Cross multiply
    422,319.72x = 582,801.36 × 231,336.24
  4. Step 4: Simplify right side
    422,319.72x = 134,823,075,289.29
  5. Step 5: Solve for x
    x = 134,823,075,289.29/422,319.72
  6. Step 6: Final answer
    x = 319,244.09

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1.5x scale

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.