Finding the Fourth Proportional to 955,586.60, 1,318,692.45 and 519,989.09
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Solution
The fourth proportional to 955,586.60, 1,318,692.45 and 519,989.09 is: 717,575.66
Step by Step Solution
- Step 1: Write the proportion equation
955,586.60 : 1,318,692.45 = 519,989.09 : x - Step 2: Convert to fraction form
955,586.60/1,318,692.45 = 519,989.09/x - Step 3: Cross multiply
955,586.60x = 1,318,692.45 × 519,989.09 - Step 4: Simplify right side
955,586.60x = 685,705,677,871.96 - Step 5: Solve for x
x = 685,705,677,871.96/955,586.60 - Step 6: Final answer
x = 717,575.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.