Home / 629,134.09-868,151.69-353,470.35

Finding the Fourth Proportional to 629,134.09, 868,151.69 and 353,470.35

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Solution

The fourth proportional to 629,134.09, 868,151.69 and 353,470.35 is: 487,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,134.09 : 868,151.69 = 353,470.35 : x
  2. Step 2: Convert to fraction form
    629,134.09/868,151.69 = 353,470.35/x
  3. Step 3: Cross multiply
    629,134.09x = 868,151.69 × 353,470.35
  4. Step 4: Simplify right side
    629,134.09x = 306,865,879,647.77
  5. Step 5: Solve for x
    x = 306,865,879,647.77/629,134.09
  6. Step 6: Final answer
    x = 487,759.11

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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.