Home / 581,621.46-872,571.36-281,751.50

Finding the Fourth Proportional to 581,621.46, 872,571.36 and 281,751.50

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Solution

The fourth proportional to 581,621.46, 872,571.36 and 281,751.50 is: 422,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,621.46 : 872,571.36 = 281,751.50 : x
  2. Step 2: Convert to fraction form
    581,621.46/872,571.36 = 281,751.50/x
  3. Step 3: Cross multiply
    581,621.46x = 872,571.36 × 281,751.50
  4. Step 4: Simplify right side
    581,621.46x = 245,848,289,537.04
  5. Step 5: Solve for x
    x = 245,848,289,537.04/581,621.46
  6. Step 6: Final answer
    x = 422,694.67

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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.