Home / 842,882.66-1,264,060.11-281,785.94

Finding the Fourth Proportional to 842,882.66, 1,264,060.11 and 281,785.94

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Solution

The fourth proportional to 842,882.66, 1,264,060.11 and 281,785.94 is: 422,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,882.66 : 1,264,060.11 = 281,785.94 : x
  2. Step 2: Convert to fraction form
    842,882.66/1,264,060.11 = 281,785.94/x
  3. Step 3: Cross multiply
    842,882.66x = 1,264,060.11 × 281,785.94
  4. Step 4: Simplify right side
    842,882.66x = 356,194,366,312.85
  5. Step 5: Solve for x
    x = 356,194,366,312.85/842,882.66
  6. Step 6: Final answer
    x = 422,590.69

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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.