Home / 451,922.72-623,653.12-247,974.96

Finding the Fourth Proportional to 451,922.72, 623,653.12 and 247,974.96

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Solution

The fourth proportional to 451,922.72, 623,653.12 and 247,974.96 is: 342,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,922.72 : 623,653.12 = 247,974.96 : x
  2. Step 2: Convert to fraction form
    451,922.72/623,653.12 = 247,974.96/x
  3. Step 3: Cross multiply
    451,922.72x = 623,653.12 × 247,974.96
  4. Step 4: Simplify right side
    451,922.72x = 154,650,357,485.88
  5. Step 5: Solve for x
    x = 154,650,357,485.88/451,922.72
  6. Step 6: Final answer
    x = 342,205.32

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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.