Home / 399,040.07-598,570.44-114,719.14

Finding the Fourth Proportional to 399,040.07, 598,570.44 and 114,719.14

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Solution

The fourth proportional to 399,040.07, 598,570.44 and 114,719.14 is: 172,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,040.07 : 598,570.44 = 114,719.14 : x
  2. Step 2: Convert to fraction form
    399,040.07/598,570.44 = 114,719.14/x
  3. Step 3: Cross multiply
    399,040.07x = 598,570.44 × 114,719.14
  4. Step 4: Simplify right side
    399,040.07x = 68,667,484,609.80
  5. Step 5: Solve for x
    x = 68,667,484,609.80/399,040.07
  6. Step 6: Final answer
    x = 172,081.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.