Home / 395,919.42-546,345.27-234,789.66

Finding the Fourth Proportional to 395,919.42, 546,345.27 and 234,789.66

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Solution

The fourth proportional to 395,919.42, 546,345.27 and 234,789.66 is: 323,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,919.42 : 546,345.27 = 234,789.66 : x
  2. Step 2: Convert to fraction form
    395,919.42/546,345.27 = 234,789.66/x
  3. Step 3: Cross multiply
    395,919.42x = 546,345.27 × 234,789.66
  4. Step 4: Simplify right side
    395,919.42x = 128,276,220,185.91
  5. Step 5: Solve for x
    x = 128,276,220,185.91/395,919.42
  6. Step 6: Final answer
    x = 323,995.78

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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.