Finding the Fourth Proportional to 1,663,785.14, 2,296,128.49 and 938,368.17
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Solution
The fourth proportional to 1,663,785.14, 2,296,128.49 and 938,368.17 is: 1,295,007.29
Step by Step Solution
- Step 1: Write the proportion equation
1,663,785.14 : 2,296,128.49 = 938,368.17 : x - Step 2: Convert to fraction form
1,663,785.14/2,296,128.49 = 938,368.17/x - Step 3: Cross multiply
1,663,785.14x = 2,296,128.49 × 938,368.17 - Step 4: Simplify right side
1,663,785.14x = 2,154,613,886,900.24 - Step 5: Solve for x
x = 2,154,613,886,900.24/1,663,785.14 - Step 6: Final answer
x = 1,295,007.29
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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.