Home / 496,003.30-684,538.04-281,120.30

Finding the Fourth Proportional to 496,003.30, 684,538.04 and 281,120.30

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Solution

The fourth proportional to 496,003.30, 684,538.04 and 281,120.30 is: 387,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,003.30 : 684,538.04 = 281,120.30 : x
  2. Step 2: Convert to fraction form
    496,003.30/684,538.04 = 281,120.30/x
  3. Step 3: Cross multiply
    496,003.30x = 684,538.04 × 281,120.30
  4. Step 4: Simplify right side
    496,003.30x = 192,437,539,166.21
  5. Step 5: Solve for x
    x = 192,437,539,166.21/496,003.30
  6. Step 6: Final answer
    x = 387,976.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.