Finding the Fourth Proportional to 1,062,117.60, 1,596,286.80 and 1,043,455.20
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Solution
The fourth proportional to 1,062,117.60, 1,596,286.80 and 1,043,455.20 is: 1,568,238.55
Step by Step Solution
- Step 1: Write the proportion equation
1,062,117.60 : 1,596,286.80 = 1,043,455.20 : x - Step 2: Convert to fraction form
1,062,117.60/1,596,286.80 = 1,043,455.20/x - Step 3: Cross multiply
1,062,117.60x = 1,596,286.80 × 1,043,455.20 - Step 4: Simplify right side
1,062,117.60x = 1,665,653,762,151.36 - Step 5: Solve for x
x = 1,665,653,762,151.36/1,062,117.60 - Step 6: Final answer
x = 1,568,238.55
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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.