Home / 1,321,743.84-1,982,617.20-362,207.64

Finding the Fourth Proportional to 1,321,743.84, 1,982,617.20 and 362,207.64

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Solution

The fourth proportional to 1,321,743.84, 1,982,617.20 and 362,207.64 is: 543,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,743.84 : 1,982,617.20 = 362,207.64 : x
  2. Step 2: Convert to fraction form
    1,321,743.84/1,982,617.20 = 362,207.64/x
  3. Step 3: Cross multiply
    1,321,743.84x = 1,982,617.20 × 362,207.64
  4. Step 4: Simplify right side
    1,321,743.84x = 718,119,097,035.41
  5. Step 5: Solve for x
    x = 718,119,097,035.41/1,321,743.84
  6. Step 6: Final answer
    x = 543,311.85

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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.