Home / 386,044.20-579,183.48-186,327.36

Finding the Fourth Proportional to 386,044.20, 579,183.48 and 186,327.36

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Solution

The fourth proportional to 386,044.20, 579,183.48 and 186,327.36 is: 279,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,044.20 : 579,183.48 = 186,327.36 : x
  2. Step 2: Convert to fraction form
    386,044.20/579,183.48 = 186,327.36/x
  3. Step 3: Cross multiply
    386,044.20x = 579,183.48 × 186,327.36
  4. Step 4: Simplify right side
    386,044.20x = 107,917,728,784.01
  5. Step 5: Solve for x
    x = 107,917,728,784.01/386,044.20
  6. Step 6: Final answer
    x = 279,547.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.