Home / 629,590.98-868,736.94-353,894.24

Finding the Fourth Proportional to 629,590.98, 868,736.94 and 353,894.24

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Solution

The fourth proportional to 629,590.98, 868,736.94 and 353,894.24 is: 488,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,590.98 : 868,736.94 = 353,894.24 : x
  2. Step 2: Convert to fraction form
    629,590.98/868,736.94 = 353,894.24/x
  3. Step 3: Cross multiply
    629,590.98x = 868,736.94 × 353,894.24
  4. Step 4: Simplify right side
    629,590.98x = 307,440,999,141.23
  5. Step 5: Solve for x
    x = 307,440,999,141.23/629,590.98
  6. Step 6: Final answer
    x = 488,318.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.