Home / 852,234.66-1,278,840.42-346,702.32

Finding the Fourth Proportional to 852,234.66, 1,278,840.42 and 346,702.32

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Solution

The fourth proportional to 852,234.66, 1,278,840.42 and 346,702.32 is: 520,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,234.66 : 1,278,840.42 = 346,702.32 : x
  2. Step 2: Convert to fraction form
    852,234.66/1,278,840.42 = 346,702.32/x
  3. Step 3: Cross multiply
    852,234.66x = 1,278,840.42 × 346,702.32
  4. Step 4: Simplify right side
    852,234.66x = 443,376,940,523.77
  5. Step 5: Solve for x
    x = 443,376,940,523.77/852,234.66
  6. Step 6: Final answer
    x = 520,252.18

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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.