Home / 738,778.07-1,108,167.41-177,812.57

Finding the Fourth Proportional to 738,778.07, 1,108,167.41 and 177,812.57

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Solution

The fourth proportional to 738,778.07, 1,108,167.41 and 177,812.57 is: 266,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,778.07 : 1,108,167.41 = 177,812.57 : x
  2. Step 2: Convert to fraction form
    738,778.07/1,108,167.41 = 177,812.57/x
  3. Step 3: Cross multiply
    738,778.07x = 1,108,167.41 × 177,812.57
  4. Step 4: Simplify right side
    738,778.07x = 197,046,088,732.44
  5. Step 5: Solve for x
    x = 197,046,088,732.44/738,778.07
  6. Step 6: Final answer
    x = 266,718.92

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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.