Home / 400,851.45-553,175.24-219,566.41

Finding the Fourth Proportional to 400,851.45, 553,175.24 and 219,566.41

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Solution

The fourth proportional to 400,851.45, 553,175.24 and 219,566.41 is: 303,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,851.45 : 553,175.24 = 219,566.41 : x
  2. Step 2: Convert to fraction form
    400,851.45/553,175.24 = 219,566.41/x
  3. Step 3: Cross multiply
    400,851.45x = 553,175.24 × 219,566.41
  4. Step 4: Simplify right side
    400,851.45x = 121,458,699,066.92
  5. Step 5: Solve for x
    x = 121,458,699,066.92/400,851.45
  6. Step 6: Final answer
    x = 303,001.77

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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.