Home / 738,141.26-1,107,211.91-177,175.76

Finding the Fourth Proportional to 738,141.26, 1,107,211.91 and 177,175.76

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Solution

The fourth proportional to 738,141.26, 1,107,211.91 and 177,175.76 is: 265,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,141.26 : 1,107,211.91 = 177,175.76 : x
  2. Step 2: Convert to fraction form
    738,141.26/1,107,211.91 = 177,175.76/x
  3. Step 3: Cross multiply
    738,141.26x = 1,107,211.91 × 177,175.76
  4. Step 4: Simplify right side
    738,141.26x = 196,171,111,635.30
  5. Step 5: Solve for x
    x = 196,171,111,635.30/738,141.26
  6. Step 6: Final answer
    x = 265,763.64

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Double scale
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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.