Home / 454,630.05-683,421.30-322,425.90

Finding the Fourth Proportional to 454,630.05, 683,421.30 and 322,425.90

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Solution

The fourth proportional to 454,630.05, 683,421.30 and 322,425.90 is: 484,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,630.05 : 683,421.30 = 322,425.90 : x
  2. Step 2: Convert to fraction form
    454,630.05/683,421.30 = 322,425.90/x
  3. Step 3: Cross multiply
    454,630.05x = 683,421.30 × 322,425.90
  4. Step 4: Simplify right side
    454,630.05x = 220,352,727,731.67
  5. Step 5: Solve for x
    x = 220,352,727,731.67/454,630.05
  6. Step 6: Final answer
    x = 484,685.80

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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.