Finding the Fourth Proportional to 926,232.10, 1,389,348.15 and 365,193.70
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Solution
The fourth proportional to 926,232.10, 1,389,348.15 and 365,193.70 is: 547,790.55
Step by Step Solution
- Step 1: Write the proportion equation
926,232.10 : 1,389,348.15 = 365,193.70 : x - Step 2: Convert to fraction form
926,232.10/1,389,348.15 = 365,193.70/x - Step 3: Cross multiply
926,232.10x = 1,389,348.15 × 365,193.70 - Step 4: Simplify right side
926,232.10x = 507,381,191,486.66 - Step 5: Solve for x
x = 507,381,191,486.66/926,232.10 - Step 6: Final answer
x = 547,790.55
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Similar ratio
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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.