Home / 626,640.33-939,997.04-177,323.61

Finding the Fourth Proportional to 626,640.33, 939,997.04 and 177,323.61

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Solution

The fourth proportional to 626,640.33, 939,997.04 and 177,323.61 is: 265,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,640.33 : 939,997.04 = 177,323.61 : x
  2. Step 2: Convert to fraction form
    626,640.33/939,997.04 = 177,323.61/x
  3. Step 3: Cross multiply
    626,640.33x = 939,997.04 × 177,323.61
  4. Step 4: Simplify right side
    626,640.33x = 166,683,667,635.50
  5. Step 5: Solve for x
    x = 166,683,667,635.50/626,640.33
  6. Step 6: Final answer
    x = 265,995.75

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Similar ratio
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1.5x scale

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.