Finding the Fourth Proportional to 1,664,921.58, 2,497,559.15 and 527,845.60
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Solution
The fourth proportional to 1,664,921.58, 2,497,559.15 and 527,845.60 is: 791,824.45
Step by Step Solution
- Step 1: Write the proportion equation
1,664,921.58 : 2,497,559.15 = 527,845.60 : x - Step 2: Convert to fraction form
1,664,921.58/2,497,559.15 = 527,845.60/x - Step 3: Cross multiply
1,664,921.58x = 2,497,559.15 × 527,845.60 - Step 4: Simplify right side
1,664,921.58x = 1,318,325,608,067.24 - Step 5: Solve for x
x = 1,318,325,608,067.24/1,664,921.58 - Step 6: Final answer
x = 791,824.45
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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.