Home / 451,768.34-677,436.24-262,281.06

Finding the Fourth Proportional to 451,768.34, 677,436.24 and 262,281.06

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Solution

The fourth proportional to 451,768.34, 677,436.24 and 262,281.06 is: 393,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,768.34 : 677,436.24 = 262,281.06 : x
  2. Step 2: Convert to fraction form
    451,768.34/677,436.24 = 262,281.06/x
  3. Step 3: Cross multiply
    451,768.34x = 677,436.24 × 262,281.06
  4. Step 4: Simplify right side
    451,768.34x = 177,678,696,093.17
  5. Step 5: Solve for x
    x = 177,678,696,093.17/451,768.34
  6. Step 6: Final answer
    x = 393,296.03

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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.