Home / 401,327.56-553,838.26-220,056.04

Finding the Fourth Proportional to 401,327.56, 553,838.26 and 220,056.04

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Solution

The fourth proportional to 401,327.56, 553,838.26 and 220,056.04 is: 303,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,327.56 : 553,838.26 = 220,056.04 : x
  2. Step 2: Convert to fraction form
    401,327.56/553,838.26 = 220,056.04/x
  3. Step 3: Cross multiply
    401,327.56x = 553,838.26 × 220,056.04
  4. Step 4: Simplify right side
    401,327.56x = 121,875,454,296.09
  5. Step 5: Solve for x
    x = 121,875,454,296.09/401,327.56
  6. Step 6: Final answer
    x = 303,680.75

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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.