Home / 451,914.82-623,621.58-247,960.66

Finding the Fourth Proportional to 451,914.82, 623,621.58 and 247,960.66

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Solution

The fourth proportional to 451,914.82, 623,621.58 and 247,960.66 is: 342,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,914.82 : 623,621.58 = 247,960.66 : x
  2. Step 2: Convert to fraction form
    451,914.82/623,621.58 = 247,960.66/x
  3. Step 3: Cross multiply
    451,914.82x = 623,621.58 × 247,960.66
  4. Step 4: Simplify right side
    451,914.82x = 154,633,618,567.04
  5. Step 5: Solve for x
    x = 154,633,618,567.04/451,914.82
  6. Step 6: Final answer
    x = 342,174.26

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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.