Home / 399,040.45-598,571.01-114,719.51

Finding the Fourth Proportional to 399,040.45, 598,571.01 and 114,719.51

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Solution

The fourth proportional to 399,040.45, 598,571.01 and 114,719.51 is: 172,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,040.45 : 598,571.01 = 114,719.51 : x
  2. Step 2: Convert to fraction form
    399,040.45/598,571.01 = 114,719.51/x
  3. Step 3: Cross multiply
    399,040.45x = 598,571.01 × 114,719.51
  4. Step 4: Simplify right side
    399,040.45x = 68,667,774,463.83
  5. Step 5: Solve for x
    x = 68,667,774,463.83/399,040.45
  6. Step 6: Final answer
    x = 172,082.24

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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.