Home / 399,291.17-598,896.45-133,023.11

Finding the Fourth Proportional to 399,291.17, 598,896.45 and 133,023.11

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Solution

The fourth proportional to 399,291.17, 598,896.45 and 133,023.11 is: 199,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,291.17 : 598,896.45 = 133,023.11 : x
  2. Step 2: Convert to fraction form
    399,291.17/598,896.45 = 133,023.11/x
  3. Step 3: Cross multiply
    399,291.17x = 598,896.45 × 133,023.11
  4. Step 4: Simplify right side
    399,291.17x = 79,667,065,352.48
  5. Step 5: Solve for x
    x = 79,667,065,352.48/399,291.17
  6. Step 6: Final answer
    x = 199,521.23

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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.