Home / 319,185.44-440,506.91-238,472.83

Finding the Fourth Proportional to 319,185.44, 440,506.91 and 238,472.83

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Solution

The fourth proportional to 319,185.44, 440,506.91 and 238,472.83 is: 329,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,185.44 : 440,506.91 = 238,472.83 : x
  2. Step 2: Convert to fraction form
    319,185.44/440,506.91 = 238,472.83/x
  3. Step 3: Cross multiply
    319,185.44x = 440,506.91 × 238,472.83
  4. Step 4: Simplify right side
    319,185.44x = 105,048,930,506.59
  5. Step 5: Solve for x
    x = 105,048,930,506.59/319,185.44
  6. Step 6: Final answer
    x = 329,115.68

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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.