Finding the Fourth Proportional to 686,322.08, 947,178.12 and 441,525.44
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Solution
The fourth proportional to 686,322.08, 947,178.12 and 441,525.44 is: 609,339.62
Step by Step Solution
- Step 1: Write the proportion equation
686,322.08 : 947,178.12 = 441,525.44 : x - Step 2: Convert to fraction form
686,322.08/947,178.12 = 441,525.44/x - Step 3: Cross multiply
686,322.08x = 947,178.12 × 441,525.44 - Step 4: Simplify right side
686,322.08x = 418,203,236,191.37 - Step 5: Solve for x
x = 418,203,236,191.37/686,322.08 - Step 6: Final answer
x = 609,339.62
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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.