Home / 619,333.41-928,777.36-214,415.67

Finding the Fourth Proportional to 619,333.41, 928,777.36 and 214,415.67

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Solution

The fourth proportional to 619,333.41, 928,777.36 and 214,415.67 is: 321,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,333.41 : 928,777.36 = 214,415.67 : x
  2. Step 2: Convert to fraction form
    619,333.41/928,777.36 = 214,415.67/x
  3. Step 3: Cross multiply
    619,333.41x = 928,777.36 × 214,415.67
  4. Step 4: Simplify right side
    619,333.41x = 199,144,419,925.23
  5. Step 5: Solve for x
    x = 199,144,419,925.23/619,333.41
  6. Step 6: Final answer
    x = 321,546.39

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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.