Home / 1,257,622.20-1,886,433.30-416,064.60

Finding the Fourth Proportional to 1,257,622.20, 1,886,433.30 and 416,064.60

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Solution

The fourth proportional to 1,257,622.20, 1,886,433.30 and 416,064.60 is: 624,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,622.20 : 1,886,433.30 = 416,064.60 : x
  2. Step 2: Convert to fraction form
    1,257,622.20/1,886,433.30 = 416,064.60/x
  3. Step 3: Cross multiply
    1,257,622.20x = 1,886,433.30 × 416,064.60
  4. Step 4: Simplify right side
    1,257,622.20x = 784,878,116,391.18
  5. Step 5: Solve for x
    x = 784,878,116,391.18/1,257,622.20
  6. Step 6: Final answer
    x = 624,096.90

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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.