Home / 326,864.70-451,262.34-213,884.28

Finding the Fourth Proportional to 326,864.70, 451,262.34 and 213,884.28

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Solution

The fourth proportional to 326,864.70, 451,262.34 and 213,884.28 is: 295,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,864.70 : 451,262.34 = 213,884.28 : x
  2. Step 2: Convert to fraction form
    326,864.70/451,262.34 = 213,884.28/x
  3. Step 3: Cross multiply
    326,864.70x = 451,262.34 × 213,884.28
  4. Step 4: Simplify right side
    326,864.70x = 96,517,920,682.02
  5. Step 5: Solve for x
    x = 96,517,920,682.02/326,864.70
  6. Step 6: Final answer
    x = 295,284.01

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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.