Home / 452,632.09-678,949.04-168,384.96

Finding the Fourth Proportional to 452,632.09, 678,949.04 and 168,384.96

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Solution

The fourth proportional to 452,632.09, 678,949.04 and 168,384.96 is: 252,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,632.09 : 678,949.04 = 168,384.96 : x
  2. Step 2: Convert to fraction form
    452,632.09/678,949.04 = 168,384.96/x
  3. Step 3: Cross multiply
    452,632.09x = 678,949.04 × 168,384.96
  4. Step 4: Simplify right side
    452,632.09x = 114,324,806,942.44
  5. Step 5: Solve for x
    x = 114,324,806,942.44/452,632.09
  6. Step 6: Final answer
    x = 252,577.78

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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.