Finding the Fourth Proportional to 1,184,970.81, 1,777,640.49 and 386,066.19
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Solution
The fourth proportional to 1,184,970.81, 1,777,640.49 and 386,066.19 is: 579,159.32
Step by Step Solution
- Step 1: Write the proportion equation
1,184,970.81 : 1,777,640.49 = 386,066.19 : x - Step 2: Convert to fraction form
1,184,970.81/1,777,640.49 = 386,066.19/x - Step 3: Cross multiply
1,184,970.81x = 1,777,640.49 × 386,066.19 - Step 4: Simplify right side
1,184,970.81x = 686,286,891,164.03 - Step 5: Solve for x
x = 686,286,891,164.03/1,184,970.81 - Step 6: Final answer
x = 579,159.32
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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.