Finding the Fourth Proportional to 1,191,487.41, 1,786,226.55 and 517,060.62
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Solution
The fourth proportional to 1,191,487.41, 1,786,226.55 and 517,060.62 is: 775,154.99
Step by Step Solution
- Step 1: Write the proportion equation
1,191,487.41 : 1,786,226.55 = 517,060.62 : x - Step 2: Convert to fraction form
1,191,487.41/1,786,226.55 = 517,060.62/x - Step 3: Cross multiply
1,191,487.41x = 1,786,226.55 × 517,060.62 - Step 4: Simplify right side
1,191,487.41x = 923,587,407,403.46 - Step 5: Solve for x
x = 923,587,407,403.46/1,191,487.41 - Step 6: Final answer
x = 775,154.99
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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.