Home / 478,730.16-660,621.96-263,827.44

Finding the Fourth Proportional to 478,730.16, 660,621.96 and 263,827.44

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Solution

The fourth proportional to 478,730.16, 660,621.96 and 263,827.44 is: 364,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,730.16 : 660,621.96 = 263,827.44 : x
  2. Step 2: Convert to fraction form
    478,730.16/660,621.96 = 263,827.44/x
  3. Step 3: Cross multiply
    478,730.16x = 660,621.96 × 263,827.44
  4. Step 4: Simplify right side
    478,730.16x = 174,290,200,514.58
  5. Step 5: Solve for x
    x = 174,290,200,514.58/478,730.16
  6. Step 6: Final answer
    x = 364,067.73

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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.