Finding the Fourth Proportional to 1,271,099.14, 1,905,880.39 and 512,054.09
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Solution
The fourth proportional to 1,271,099.14, 1,905,880.39 and 512,054.09 is: 767,771.62
Step by Step Solution
- Step 1: Write the proportion equation
1,271,099.14 : 1,905,880.39 = 512,054.09 : x - Step 2: Convert to fraction form
1,271,099.14/1,905,880.39 = 512,054.09/x - Step 3: Cross multiply
1,271,099.14x = 1,905,880.39 × 512,054.09 - Step 4: Simplify right side
1,271,099.14x = 975,913,848,750.30 - Step 5: Solve for x
x = 975,913,848,750.30/1,271,099.14 - Step 6: Final answer
x = 767,771.62
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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.