Home / 401,033.58-553,426.48-219,744.04

Finding the Fourth Proportional to 401,033.58, 553,426.48 and 219,744.04

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Solution

The fourth proportional to 401,033.58, 553,426.48 and 219,744.04 is: 303,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,033.58 : 553,426.48 = 219,744.04 : x
  2. Step 2: Convert to fraction form
    401,033.58/553,426.48 = 219,744.04/x
  3. Step 3: Cross multiply
    401,033.58x = 553,426.48 × 219,744.04
  4. Step 4: Simplify right side
    401,033.58x = 121,612,170,558.18
  5. Step 5: Solve for x
    x = 121,612,170,558.18/401,033.58
  6. Step 6: Final answer
    x = 303,246.85

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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.