Home / 370,933.22-511,860.38-207,568.28

Finding the Fourth Proportional to 370,933.22, 511,860.38 and 207,568.28

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Solution

The fourth proportional to 370,933.22, 511,860.38 and 207,568.28 is: 286,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,933.22 : 511,860.38 = 207,568.28 : x
  2. Step 2: Convert to fraction form
    370,933.22/511,860.38 = 207,568.28/x
  3. Step 3: Cross multiply
    370,933.22x = 511,860.38 × 207,568.28
  4. Step 4: Simplify right side
    370,933.22x = 106,245,978,676.75
  5. Step 5: Solve for x
    x = 106,245,978,676.75/370,933.22
  6. Step 6: Final answer
    x = 286,428.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.