Home / 581,216.91-871,834.23-221,407.73

Finding the Fourth Proportional to 581,216.91, 871,834.23 and 221,407.73

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Solution

The fourth proportional to 581,216.91, 871,834.23 and 221,407.73 is: 332,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,216.91 : 871,834.23 = 221,407.73 : x
  2. Step 2: Convert to fraction form
    581,216.91/871,834.23 = 221,407.73/x
  3. Step 3: Cross multiply
    581,216.91x = 871,834.23 × 221,407.73
  4. Step 4: Simplify right side
    581,216.91x = 193,030,833,441.43
  5. Step 5: Solve for x
    x = 193,030,833,441.43/581,216.91
  6. Step 6: Final answer
    x = 332,114.96

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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.