Finding the Fourth Proportional to 4,374,316.80, 6,561,475.20 and 4,197,169.80
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Solution
The fourth proportional to 4,374,316.80, 6,561,475.20 and 4,197,169.80 is: 6,295,754.70
Step by Step Solution
- Step 1: Write the proportion equation
4,374,316.80 : 6,561,475.20 = 4,197,169.80 : x - Step 2: Convert to fraction form
4,374,316.80/6,561,475.20 = 4,197,169.80/x - Step 3: Cross multiply
4,374,316.80x = 6,561,475.20 × 4,197,169.80 - Step 4: Simplify right side
4,374,316.80x = 27,539,625,552,888.96 - Step 5: Solve for x
x = 27,539,625,552,888.96/4,374,316.80 - Step 6: Final answer
x = 6,295,754.70
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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.