Home / 405,971.24-608,555.25-192,363.92

Finding the Fourth Proportional to 405,971.24, 608,555.25 and 192,363.92

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Solution

The fourth proportional to 405,971.24, 608,555.25 and 192,363.92 is: 288,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,971.24 : 608,555.25 = 192,363.92 : x
  2. Step 2: Convert to fraction form
    405,971.24/608,555.25 = 192,363.92/x
  3. Step 3: Cross multiply
    405,971.24x = 608,555.25 × 192,363.92
  4. Step 4: Simplify right side
    405,971.24x = 117,064,073,426.58
  5. Step 5: Solve for x
    x = 117,064,073,426.58/405,971.24
  6. Step 6: Final answer
    x = 288,355.58

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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.