Home / 738,411.05-1,107,616.44-177,445.55

Finding the Fourth Proportional to 738,411.05, 1,107,616.44 and 177,445.55

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Solution

The fourth proportional to 738,411.05, 1,107,616.44 and 177,445.55 is: 266,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,411.05 : 1,107,616.44 = 177,445.55 : x
  2. Step 2: Convert to fraction form
    738,411.05/1,107,616.44 = 177,445.55/x
  3. Step 3: Cross multiply
    738,411.05x = 1,107,616.44 × 177,445.55
  4. Step 4: Simplify right side
    738,411.05x = 196,541,608,384.84
  5. Step 5: Solve for x
    x = 196,541,608,384.84/738,411.05
  6. Step 6: Final answer
    x = 266,168.29

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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.