Home / 789,432.32-1,182,442.62-414,668

Finding the Fourth Proportional to 789,432.32, 1,182,442.62 and 414,668

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Solution

The fourth proportional to 789,432.32, 1,182,442.62 and 414,668 is: 621,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,432.32 : 1,182,442.62 = 414,668 : x
  2. Step 2: Convert to fraction form
    789,432.32/1,182,442.62 = 414,668/x
  3. Step 3: Cross multiply
    789,432.32x = 1,182,442.62 × 414,668
  4. Step 4: Simplify right side
    789,432.32x = 490,321,116,350.16
  5. Step 5: Solve for x
    x = 490,321,116,350.16/789,432.32
  6. Step 6: Final answer
    x = 621,105.96

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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.