Home / 496,822.32-685,524.52-281,971.44

Finding the Fourth Proportional to 496,822.32, 685,524.52 and 281,971.44

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Solution

The fourth proportional to 496,822.32, 685,524.52 and 281,971.44 is: 389,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,822.32 : 685,524.52 = 281,971.44 : x
  2. Step 2: Convert to fraction form
    496,822.32/685,524.52 = 281,971.44/x
  3. Step 3: Cross multiply
    496,822.32x = 685,524.52 × 281,971.44
  4. Step 4: Simplify right side
    496,822.32x = 193,298,336,059.71
  5. Step 5: Solve for x
    x = 193,298,336,059.71/496,822.32
  6. Step 6: Final answer
    x = 389,069.35

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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.