Home / 452,546.91-678,907.89-172,042.29

Finding the Fourth Proportional to 452,546.91, 678,907.89 and 172,042.29

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Solution

The fourth proportional to 452,546.91, 678,907.89 and 172,042.29 is: 258,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,546.91 : 678,907.89 = 172,042.29 : x
  2. Step 2: Convert to fraction form
    452,546.91/678,907.89 = 172,042.29/x
  3. Step 3: Cross multiply
    452,546.91x = 678,907.89 × 172,042.29
  4. Step 4: Simplify right side
    452,546.91x = 116,800,868,094.67
  5. Step 5: Solve for x
    x = 116,800,868,094.67/452,546.91
  6. Step 6: Final answer
    x = 258,096.71

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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.