Home / 358,629.66-494,910.36-215,392.14

Finding the Fourth Proportional to 358,629.66, 494,910.36 and 215,392.14

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Solution

The fourth proportional to 358,629.66, 494,910.36 and 215,392.14 is: 297,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,629.66 : 494,910.36 = 215,392.14 : x
  2. Step 2: Convert to fraction form
    358,629.66/494,910.36 = 215,392.14/x
  3. Step 3: Cross multiply
    358,629.66x = 494,910.36 × 215,392.14
  4. Step 4: Simplify right side
    358,629.66x = 106,599,801,548.57
  5. Step 5: Solve for x
    x = 106,599,801,548.57/358,629.66
  6. Step 6: Final answer
    x = 297,242.01

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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.