Home / 386,448.11-533,329.35-214,383.05

Finding the Fourth Proportional to 386,448.11, 533,329.35 and 214,383.05

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Solution

The fourth proportional to 386,448.11, 533,329.35 and 214,383.05 is: 295,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,448.11 : 533,329.35 = 214,383.05 : x
  2. Step 2: Convert to fraction form
    386,448.11/533,329.35 = 214,383.05/x
  3. Step 3: Cross multiply
    386,448.11x = 533,329.35 × 214,383.05
  4. Step 4: Simplify right side
    386,448.11x = 114,336,772,707.52
  5. Step 5: Solve for x
    x = 114,336,772,707.52/386,448.11
  6. Step 6: Final answer
    x = 295,865.78

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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.