Home / 982,815.93-1,474,222.83-308,956.12

Finding the Fourth Proportional to 982,815.93, 1,474,222.83 and 308,956.12

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Solution

The fourth proportional to 982,815.93, 1,474,222.83 and 308,956.12 is: 463,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,815.93 : 1,474,222.83 = 308,956.12 : x
  2. Step 2: Convert to fraction form
    982,815.93/1,474,222.83 = 308,956.12/x
  3. Step 3: Cross multiply
    982,815.93x = 1,474,222.83 × 308,956.12
  4. Step 4: Simplify right side
    982,815.93x = 455,470,170,758.46
  5. Step 5: Solve for x
    x = 455,470,170,758.46/982,815.93
  6. Step 6: Final answer
    x = 463,433.85

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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.