Home / 619,330.41-928,772.87-214,412.67

Finding the Fourth Proportional to 619,330.41, 928,772.87 and 214,412.67

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Solution

The fourth proportional to 619,330.41, 928,772.87 and 214,412.67 is: 321,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,330.41 : 928,772.87 = 214,412.67 : x
  2. Step 2: Convert to fraction form
    619,330.41/928,772.87 = 214,412.67/x
  3. Step 3: Cross multiply
    619,330.41x = 928,772.87 × 214,412.67
  4. Step 4: Simplify right side
    619,330.41x = 199,140,669,808.20
  5. Step 5: Solve for x
    x = 199,140,669,808.20/619,330.41
  6. Step 6: Final answer
    x = 321,541.89

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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.