Home / 288,584.50-432,864.43-281,826.67

Finding the Fourth Proportional to 288,584.50, 432,864.43 and 281,826.67

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Solution

The fourth proportional to 288,584.50, 432,864.43 and 281,826.67 is: 422,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,584.50 : 432,864.43 = 281,826.67 : x
  2. Step 2: Convert to fraction form
    288,584.50/432,864.43 = 281,826.67/x
  3. Step 3: Cross multiply
    288,584.50x = 432,864.43 × 281,826.67
  4. Step 4: Simplify right side
    288,584.50x = 121,992,739,468.45
  5. Step 5: Solve for x
    x = 121,992,739,468.45/288,584.50
  6. Step 6: Final answer
    x = 422,727.97

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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.