Home / 445,122.83-667,403.23-245,582.27

Finding the Fourth Proportional to 445,122.83, 667,403.23 and 245,582.27

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Solution

The fourth proportional to 445,122.83, 667,403.23 and 245,582.27 is: 368,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,122.83 : 667,403.23 = 245,582.27 : x
  2. Step 2: Convert to fraction form
    445,122.83/667,403.23 = 245,582.27/x
  3. Step 3: Cross multiply
    445,122.83x = 667,403.23 × 245,582.27
  4. Step 4: Simplify right side
    445,122.83x = 163,902,400,228.73
  5. Step 5: Solve for x
    x = 163,902,400,228.73/445,122.83
  6. Step 6: Final answer
    x = 368,218.36

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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.