Home / 445,891.10-668,552.16-293,912.73

Finding the Fourth Proportional to 445,891.10, 668,552.16 and 293,912.73

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Solution

The fourth proportional to 445,891.10, 668,552.16 and 293,912.73 is: 440,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,891.10 : 668,552.16 = 293,912.73 : x
  2. Step 2: Convert to fraction form
    445,891.10/668,552.16 = 293,912.73/x
  3. Step 3: Cross multiply
    445,891.10x = 668,552.16 × 293,912.73
  4. Step 4: Simplify right side
    445,891.10x = 196,495,987,885.02
  5. Step 5: Solve for x
    x = 196,495,987,885.02/445,891.10
  6. Step 6: Final answer
    x = 440,681.57

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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.