Home / 619,401.42-929,014.65-198,622.62

Finding the Fourth Proportional to 619,401.42, 929,014.65 and 198,622.62

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Solution

The fourth proportional to 619,401.42, 929,014.65 and 198,622.62 is: 297,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,401.42 : 929,014.65 = 198,622.62 : x
  2. Step 2: Convert to fraction form
    619,401.42/929,014.65 = 198,622.62/x
  3. Step 3: Cross multiply
    619,401.42x = 929,014.65 × 198,622.62
  4. Step 4: Simplify right side
    619,401.42x = 184,523,323,801.38
  5. Step 5: Solve for x
    x = 184,523,323,801.38/619,401.42
  6. Step 6: Final answer
    x = 297,905.88

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1.5x scale

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.