Finding the Fourth Proportional to 1,463,213.68, 2,019,313.30 and 818,595.42
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Solution
The fourth proportional to 1,463,213.68, 2,019,313.30 and 818,595.42 is: 1,129,705.55
Step by Step Solution
- Step 1: Write the proportion equation
1,463,213.68 : 2,019,313.30 = 818,595.42 : x - Step 2: Convert to fraction form
1,463,213.68/2,019,313.30 = 818,595.42/x - Step 3: Cross multiply
1,463,213.68x = 2,019,313.30 × 818,595.42 - Step 4: Simplify right side
1,463,213.68x = 1,653,000,618,925.09 - Step 5: Solve for x
x = 1,653,000,618,925.09/1,463,213.68 - Step 6: Final answer
x = 1,129,705.55
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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.