Home / 700,520.49-1,050,404.90-220,658.67

Finding the Fourth Proportional to 700,520.49, 1,050,404.90 and 220,658.67

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Solution

The fourth proportional to 700,520.49, 1,050,404.90 and 220,658.67 is: 330,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,520.49 : 1,050,404.90 = 220,658.67 : x
  2. Step 2: Convert to fraction form
    700,520.49/1,050,404.90 = 220,658.67/x
  3. Step 3: Cross multiply
    700,520.49x = 1,050,404.90 × 220,658.67
  4. Step 4: Simplify right side
    700,520.49x = 231,780,947,092.19
  5. Step 5: Solve for x
    x = 231,780,947,092.19/700,520.49
  6. Step 6: Final answer
    x = 330,869.62

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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.