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Finding the Fourth Proportional to 1,976,436, 2,964,654 and 628,601.40

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Solution

The fourth proportional to 1,976,436, 2,964,654 and 628,601.40 is: 942,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,436 : 2,964,654 = 628,601.40 : x
  2. Step 2: Convert to fraction form
    1,976,436/2,964,654 = 628,601.40/x
  3. Step 3: Cross multiply
    1,976,436x = 2,964,654 × 628,601.40
  4. Step 4: Simplify right side
    1,976,436x = 1,863,585,654,915.60
  5. Step 5: Solve for x
    x = 1,863,585,654,915.60/1,976,436
  6. Step 6: Final answer
    x = 942,902.10

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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.