Home / 445,766.98-668,625.74-325,946.72

Finding the Fourth Proportional to 445,766.98, 668,625.74 and 325,946.72

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Solution

The fourth proportional to 445,766.98, 668,625.74 and 325,946.72 is: 488,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,766.98 : 668,625.74 = 325,946.72 : x
  2. Step 2: Convert to fraction form
    445,766.98/668,625.74 = 325,946.72/x
  3. Step 3: Cross multiply
    445,766.98x = 668,625.74 × 325,946.72
  4. Step 4: Simplify right side
    445,766.98x = 217,936,366,860.57
  5. Step 5: Solve for x
    x = 217,936,366,860.57/445,766.98
  6. Step 6: Final answer
    x = 488,902.00

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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.