Home / 864,906.24-1,297,520.64-332,405.76

Finding the Fourth Proportional to 864,906.24, 1,297,520.64 and 332,405.76

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Solution

The fourth proportional to 864,906.24, 1,297,520.64 and 332,405.76 is: 498,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,906.24 : 1,297,520.64 = 332,405.76 : x
  2. Step 2: Convert to fraction form
    864,906.24/1,297,520.64 = 332,405.76/x
  3. Step 3: Cross multiply
    864,906.24x = 1,297,520.64 × 332,405.76
  4. Step 4: Simplify right side
    864,906.24x = 431,303,334,454.89
  5. Step 5: Solve for x
    x = 431,303,334,454.89/864,906.24
  6. Step 6: Final answer
    x = 498,670.62

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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.