Home / 395,919.34-546,240.23-223,820.66

Finding the Fourth Proportional to 395,919.34, 546,240.23 and 223,820.66

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Solution

The fourth proportional to 395,919.34, 546,240.23 and 223,820.66 is: 308,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,919.34 : 546,240.23 = 223,820.66 : x
  2. Step 2: Convert to fraction form
    395,919.34/546,240.23 = 223,820.66/x
  3. Step 3: Cross multiply
    395,919.34x = 546,240.23 × 223,820.66
  4. Step 4: Simplify right side
    395,919.34x = 122,259,848,797.15
  5. Step 5: Solve for x
    x = 122,259,848,797.15/395,919.34
  6. Step 6: Final answer
    x = 308,799.89

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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.