Home / 483,383.45-667,088.09-330,741.79

Finding the Fourth Proportional to 483,383.45, 667,088.09 and 330,741.79

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Solution

The fourth proportional to 483,383.45, 667,088.09 and 330,741.79 is: 456,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,383.45 : 667,088.09 = 330,741.79 : x
  2. Step 2: Convert to fraction form
    483,383.45/667,088.09 = 330,741.79/x
  3. Step 3: Cross multiply
    483,383.45x = 667,088.09 × 330,741.79
  4. Step 4: Simplify right side
    483,383.45x = 220,633,908,974.28
  5. Step 5: Solve for x
    x = 220,633,908,974.28/483,383.45
  6. Step 6: Final answer
    x = 456,436.62

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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.