Home / 770,885.44-1,156,821.72-416,146.48

Finding the Fourth Proportional to 770,885.44, 1,156,821.72 and 416,146.48

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Solution

The fourth proportional to 770,885.44, 1,156,821.72 and 416,146.48 is: 624,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,885.44 : 1,156,821.72 = 416,146.48 : x
  2. Step 2: Convert to fraction form
    770,885.44/1,156,821.72 = 416,146.48/x
  3. Step 3: Cross multiply
    770,885.44x = 1,156,821.72 × 416,146.48
  4. Step 4: Simplify right side
    770,885.44x = 481,407,286,765.55
  5. Step 5: Solve for x
    x = 481,407,286,765.55/770,885.44
  6. Step 6: Final answer
    x = 624,486.16

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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.