Home / 283,650.72-391,538.24-253,383.48

Finding the Fourth Proportional to 283,650.72, 391,538.24 and 253,383.48

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Solution

The fourth proportional to 283,650.72, 391,538.24 and 253,383.48 is: 349,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,650.72 : 391,538.24 = 253,383.48 : x
  2. Step 2: Convert to fraction form
    283,650.72/391,538.24 = 253,383.48/x
  3. Step 3: Cross multiply
    283,650.72x = 391,538.24 × 253,383.48
  4. Step 4: Simplify right side
    283,650.72x = 99,209,321,804.28
  5. Step 5: Solve for x
    x = 99,209,321,804.28/283,650.72
  6. Step 6: Final answer
    x = 349,758.75

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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.