Home / 847,471.20-1,270,590.46-397,960.44

Finding the Fourth Proportional to 847,471.20, 1,270,590.46 and 397,960.44

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Solution

The fourth proportional to 847,471.20, 1,270,590.46 and 397,960.44 is: 596,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,471.20 : 1,270,590.46 = 397,960.44 : x
  2. Step 2: Convert to fraction form
    847,471.20/1,270,590.46 = 397,960.44/x
  3. Step 3: Cross multiply
    847,471.20x = 1,270,590.46 × 397,960.44
  4. Step 4: Simplify right side
    847,471.20x = 505,644,738,521.40
  5. Step 5: Solve for x
    x = 505,644,738,521.40/847,471.20
  6. Step 6: Final answer
    x = 596,651.24

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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.