Home / 578,318.70-867,512.08-223,334.58

Finding the Fourth Proportional to 578,318.70, 867,512.08 and 223,334.58

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Solution

The fourth proportional to 578,318.70, 867,512.08 and 223,334.58 is: 335,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,318.70 : 867,512.08 = 223,334.58 : x
  2. Step 2: Convert to fraction form
    578,318.70/867,512.08 = 223,334.58/x
  3. Step 3: Cross multiply
    578,318.70x = 867,512.08 × 223,334.58
  4. Step 4: Simplify right side
    578,318.70x = 193,745,446,031.73
  5. Step 5: Solve for x
    x = 193,745,446,031.73/578,318.70
  6. Step 6: Final answer
    x = 335,015.01

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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.