Home / 1,386,549.46-2,079,796.34-628,249.58

Finding the Fourth Proportional to 1,386,549.46, 2,079,796.34 and 628,249.58

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Solution

The fourth proportional to 1,386,549.46, 2,079,796.34 and 628,249.58 is: 942,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,549.46 : 2,079,796.34 = 628,249.58 : x
  2. Step 2: Convert to fraction form
    1,386,549.46/2,079,796.34 = 628,249.58/x
  3. Step 3: Cross multiply
    1,386,549.46x = 2,079,796.34 × 628,249.58
  4. Step 4: Simplify right side
    1,386,549.46x = 1,306,631,174,568.72
  5. Step 5: Solve for x
    x = 1,306,631,174,568.72/1,386,549.46
  6. Step 6: Final answer
    x = 942,361.75

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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.