Home / 738,411.30-1,107,616.81-177,445.80

Finding the Fourth Proportional to 738,411.30, 1,107,616.81 and 177,445.80

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Solution

The fourth proportional to 738,411.30, 1,107,616.81 and 177,445.80 is: 266,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,411.30 : 1,107,616.81 = 177,445.80 : x
  2. Step 2: Convert to fraction form
    738,411.30/1,107,616.81 = 177,445.80/x
  3. Step 3: Cross multiply
    738,411.30x = 1,107,616.81 × 177,445.80
  4. Step 4: Simplify right side
    738,411.30x = 196,541,950,943.90
  5. Step 5: Solve for x
    x = 196,541,950,943.90/738,411.30
  6. Step 6: Final answer
    x = 266,168.67

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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.