Finding the Fourth Proportional to 1,125,441.99, 1,552,528.76 and 762,741.81
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Solution
The fourth proportional to 1,125,441.99, 1,552,528.76 and 762,741.81 is: 1,052,189.81
Step by Step Solution
- Step 1: Write the proportion equation
1,125,441.99 : 1,552,528.76 = 762,741.81 : x - Step 2: Convert to fraction form
1,125,441.99/1,552,528.76 = 762,741.81/x - Step 3: Cross multiply
1,125,441.99x = 1,552,528.76 × 762,741.81 - Step 4: Simplify right side
1,125,441.99x = 1,184,178,592,665.75 - Step 5: Solve for x
x = 1,184,178,592,665.75/1,125,441.99 - Step 6: Final answer
x = 1,052,189.81
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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.