Home / 401,867.76-554,584.66-220,596.54

Finding the Fourth Proportional to 401,867.76, 554,584.66 and 220,596.54

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Solution

The fourth proportional to 401,867.76, 554,584.66 and 220,596.54 is: 304,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,867.76 : 554,584.66 = 220,596.54 : x
  2. Step 2: Convert to fraction form
    401,867.76/554,584.66 = 220,596.54/x
  3. Step 3: Cross multiply
    401,867.76x = 554,584.66 × 220,596.54
  4. Step 4: Simplify right side
    401,867.76x = 122,339,457,133.08
  5. Step 5: Solve for x
    x = 122,339,457,133.08/401,867.76
  6. Step 6: Final answer
    x = 304,427.15

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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.