Home / 405,904.91-608,844.80-192,826.20

Finding the Fourth Proportional to 405,904.91, 608,844.80 and 192,826.20

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Solution

The fourth proportional to 405,904.91, 608,844.80 and 192,826.20 is: 289,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,904.91 : 608,844.80 = 192,826.20 : x
  2. Step 2: Convert to fraction form
    405,904.91/608,844.80 = 192,826.20/x
  3. Step 3: Cross multiply
    405,904.91x = 608,844.80 × 192,826.20
  4. Step 4: Simplify right side
    405,904.91x = 117,401,231,938.99
  5. Step 5: Solve for x
    x = 117,401,231,938.99/405,904.91
  6. Step 6: Final answer
    x = 289,233.34

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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.