Home / 465,274.06-694,759.30-369,428.78

Finding the Fourth Proportional to 465,274.06, 694,759.30 and 369,428.78

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Solution

The fourth proportional to 465,274.06, 694,759.30 and 369,428.78 is: 551,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,274.06 : 694,759.30 = 369,428.78 : x
  2. Step 2: Convert to fraction form
    465,274.06/694,759.30 = 369,428.78/x
  3. Step 3: Cross multiply
    465,274.06x = 694,759.30 × 369,428.78
  4. Step 4: Simplify right side
    465,274.06x = 256,664,081,405.98
  5. Step 5: Solve for x
    x = 256,664,081,405.98/465,274.06
  6. Step 6: Final answer
    x = 551,640.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.