Home / 405,769.06-608,258.04-169,179.40

Finding the Fourth Proportional to 405,769.06, 608,258.04 and 169,179.40

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Solution

The fourth proportional to 405,769.06, 608,258.04 and 169,179.40 is: 253,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,769.06 : 608,258.04 = 169,179.40 : x
  2. Step 2: Convert to fraction form
    405,769.06/608,258.04 = 169,179.40/x
  3. Step 3: Cross multiply
    405,769.06x = 608,258.04 × 169,179.40
  4. Step 4: Simplify right side
    405,769.06x = 102,904,732,195.97
  5. Step 5: Solve for x
    x = 102,904,732,195.97/405,769.06
  6. Step 6: Final answer
    x = 253,604.18

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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.