Home / 325,440.57-486,181.70-210,653.23

Finding the Fourth Proportional to 325,440.57, 486,181.70 and 210,653.23

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Solution

The fourth proportional to 325,440.57, 486,181.70 and 210,653.23 is: 314,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,440.57 : 486,181.70 = 210,653.23 : x
  2. Step 2: Convert to fraction form
    325,440.57/486,181.70 = 210,653.23/x
  3. Step 3: Cross multiply
    325,440.57x = 486,181.70 × 210,653.23
  4. Step 4: Simplify right side
    325,440.57x = 102,415,745,471.89
  5. Step 5: Solve for x
    x = 102,415,745,471.89/325,440.57
  6. Step 6: Final answer
    x = 314,698.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.