Home / 451,790.87-623,366.73-270,433.85

Finding the Fourth Proportional to 451,790.87, 623,366.73 and 270,433.85

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Solution

The fourth proportional to 451,790.87, 623,366.73 and 270,433.85 is: 373,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,790.87 : 623,366.73 = 270,433.85 : x
  2. Step 2: Convert to fraction form
    451,790.87/623,366.73 = 270,433.85/x
  3. Step 3: Cross multiply
    451,790.87x = 623,366.73 × 270,433.85
  4. Step 4: Simplify right side
    451,790.87x = 168,579,464,755.81
  5. Step 5: Solve for x
    x = 168,579,464,755.81/451,790.87
  6. Step 6: Final answer
    x = 373,136.06

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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.