Home / 696,654-1,045,156.57-198,018

Finding the Fourth Proportional to 696,654, 1,045,156.57 and 198,018

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Solution

The fourth proportional to 696,654, 1,045,156.57 and 198,018 is: 297,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,654 : 1,045,156.57 = 198,018 : x
  2. Step 2: Convert to fraction form
    696,654/1,045,156.57 = 198,018/x
  3. Step 3: Cross multiply
    696,654x = 1,045,156.57 × 198,018
  4. Step 4: Simplify right side
    696,654x = 206,959,813,183.22
  5. Step 5: Solve for x
    x = 206,959,813,183.22/696,654
  6. Step 6: Final answer
    x = 297,076.90

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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.