Home / 403,028.67-603,623.93-192,815.31

Finding the Fourth Proportional to 403,028.67, 603,623.93 and 192,815.31

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Solution

The fourth proportional to 403,028.67, 603,623.93 and 192,815.31 is: 288,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,028.67 : 603,623.93 = 192,815.31 : x
  2. Step 2: Convert to fraction form
    403,028.67/603,623.93 = 192,815.31/x
  3. Step 3: Cross multiply
    403,028.67x = 603,623.93 × 192,815.31
  4. Step 4: Simplify right side
    403,028.67x = 116,387,934,222.29
  5. Step 5: Solve for x
    x = 116,387,934,222.29/403,028.67
  6. Step 6: Final answer
    x = 288,783.26

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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.