Home / 328,788.16-453,727.84-228,244.48

Finding the Fourth Proportional to 328,788.16, 453,727.84 and 228,244.48

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Solution

The fourth proportional to 328,788.16, 453,727.84 and 228,244.48 is: 314,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,788.16 : 453,727.84 = 228,244.48 : x
  2. Step 2: Convert to fraction form
    328,788.16/453,727.84 = 228,244.48/x
  3. Step 3: Cross multiply
    328,788.16x = 453,727.84 × 228,244.48
  4. Step 4: Simplify right side
    328,788.16x = 103,560,874,902.32
  5. Step 5: Solve for x
    x = 103,560,874,902.32/328,788.16
  6. Step 6: Final answer
    x = 314,977.51

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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.