Home / 679,361.10-1,019,044.08-206,050.56

Finding the Fourth Proportional to 679,361.10, 1,019,044.08 and 206,050.56

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Solution

The fourth proportional to 679,361.10, 1,019,044.08 and 206,050.56 is: 309,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,361.10 : 1,019,044.08 = 206,050.56 : x
  2. Step 2: Convert to fraction form
    679,361.10/1,019,044.08 = 206,050.56/x
  3. Step 3: Cross multiply
    679,361.10x = 1,019,044.08 × 206,050.56
  4. Step 4: Simplify right side
    679,361.10x = 209,974,603,348.69
  5. Step 5: Solve for x
    x = 209,974,603,348.69/679,361.10
  6. Step 6: Final answer
    x = 309,076.58

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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.