Home / 701,518.50-1,052,315.32-221,709.81

Finding the Fourth Proportional to 701,518.50, 1,052,315.32 and 221,709.81

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Solution

The fourth proportional to 701,518.50, 1,052,315.32 and 221,709.81 is: 332,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,518.50 : 1,052,315.32 = 221,709.81 : x
  2. Step 2: Convert to fraction form
    701,518.50/1,052,315.32 = 221,709.81/x
  3. Step 3: Cross multiply
    701,518.50x = 1,052,315.32 × 221,709.81
  4. Step 4: Simplify right side
    701,518.50x = 233,308,625,988.24
  5. Step 5: Solve for x
    x = 233,308,625,988.24/701,518.50
  6. Step 6: Final answer
    x = 332,576.58

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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.