Finding the Fourth Proportional to 1,326,893.60, 1,990,599.60 and 528,039.20
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Solution
The fourth proportional to 1,326,893.60, 1,990,599.60 and 528,039.20 is: 792,161.95
Step by Step Solution
- Step 1: Write the proportion equation
1,326,893.60 : 1,990,599.60 = 528,039.20 : x - Step 2: Convert to fraction form
1,326,893.60/1,990,599.60 = 528,039.20/x - Step 3: Cross multiply
1,326,893.60x = 1,990,599.60 × 528,039.20 - Step 4: Simplify right side
1,326,893.60x = 1,051,114,620,304.32 - Step 5: Solve for x
x = 1,051,114,620,304.32/1,326,893.60 - Step 6: Final answer
x = 792,161.95
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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.