Home / 395,918.34-546,238.85-223,819.66

Finding the Fourth Proportional to 395,918.34, 546,238.85 and 223,819.66

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Solution

The fourth proportional to 395,918.34, 546,238.85 and 223,819.66 is: 308,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,918.34 : 546,238.85 = 223,819.66 : x
  2. Step 2: Convert to fraction form
    395,918.34/546,238.85 = 223,819.66/x
  3. Step 3: Cross multiply
    395,918.34x = 546,238.85 × 223,819.66
  4. Step 4: Simplify right side
    395,918.34x = 122,258,993,685.79
  5. Step 5: Solve for x
    x = 122,258,993,685.79/395,918.34
  6. Step 6: Final answer
    x = 308,798.51

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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.