Home / 484,865.45-669,202.53-281,046.77

Finding the Fourth Proportional to 484,865.45, 669,202.53 and 281,046.77

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Solution

The fourth proportional to 484,865.45, 669,202.53 and 281,046.77 is: 387,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,865.45 : 669,202.53 = 281,046.77 : x
  2. Step 2: Convert to fraction form
    484,865.45/669,202.53 = 281,046.77/x
  3. Step 3: Cross multiply
    484,865.45x = 669,202.53 × 281,046.77
  4. Step 4: Simplify right side
    484,865.45x = 188,077,209,532.33
  5. Step 5: Solve for x
    x = 188,077,209,532.33/484,865.45
  6. Step 6: Final answer
    x = 387,895.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.