Home / 772,954.20-1,159,917.70-329,715.80

Finding the Fourth Proportional to 772,954.20, 1,159,917.70 and 329,715.80

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Solution

The fourth proportional to 772,954.20, 1,159,917.70 and 329,715.80 is: 494,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,954.20 : 1,159,917.70 = 329,715.80 : x
  2. Step 2: Convert to fraction form
    772,954.20/1,159,917.70 = 329,715.80/x
  3. Step 3: Cross multiply
    772,954.20x = 1,159,917.70 × 329,715.80
  4. Step 4: Simplify right side
    772,954.20x = 382,443,192,389.66
  5. Step 5: Solve for x
    x = 382,443,192,389.66/772,954.20
  6. Step 6: Final answer
    x = 494,781.18

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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.