Finding the Fourth Proportional to 1,923,143.13, 2,884,866.39 and 643,758.08
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Solution
The fourth proportional to 1,923,143.13, 2,884,866.39 and 643,758.08 is: 965,687.89
Step by Step Solution
- Step 1: Write the proportion equation
1,923,143.13 : 2,884,866.39 = 643,758.08 : x - Step 2: Convert to fraction form
1,923,143.13/2,884,866.39 = 643,758.08/x - Step 3: Cross multiply
1,923,143.13x = 2,884,866.39 × 643,758.08 - Step 4: Simplify right side
1,923,143.13x = 1,857,156,033,858.60 - Step 5: Solve for x
x = 1,857,156,033,858.60/1,923,143.13 - Step 6: Final answer
x = 965,687.89
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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.