Home / 405,799.12-608,181.04-192,566.64

Finding the Fourth Proportional to 405,799.12, 608,181.04 and 192,566.64

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Solution

The fourth proportional to 405,799.12, 608,181.04 and 192,566.64 is: 288,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,799.12 : 608,181.04 = 192,566.64 : x
  2. Step 2: Convert to fraction form
    405,799.12/608,181.04 = 192,566.64/x
  3. Step 3: Cross multiply
    405,799.12x = 608,181.04 × 192,566.64
  4. Step 4: Simplify right side
    405,799.12x = 117,115,379,384.51
  5. Step 5: Solve for x
    x = 117,115,379,384.51/405,799.12
  6. Step 6: Final answer
    x = 288,604.32

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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.