Home / 347,277.03-479,027.76-238,331.64

Finding the Fourth Proportional to 347,277.03, 479,027.76 and 238,331.64

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Solution

The fourth proportional to 347,277.03, 479,027.76 and 238,331.64 is: 328,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,277.03 : 479,027.76 = 238,331.64 : x
  2. Step 2: Convert to fraction form
    347,277.03/479,027.76 = 238,331.64/x
  3. Step 3: Cross multiply
    347,277.03x = 479,027.76 × 238,331.64
  4. Step 4: Simplify right side
    347,277.03x = 114,167,471,646.33
  5. Step 5: Solve for x
    x = 114,167,471,646.33/347,277.03
  6. Step 6: Final answer
    x = 328,750.43

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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.