Finding the Fourth Proportional to 1,217,436.36, 1,826,384.16 and 375,791.28
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Solution
The fourth proportional to 1,217,436.36, 1,826,384.16 and 375,791.28 is: 563,757.80
Step by Step Solution
- Step 1: Write the proportion equation
1,217,436.36 : 1,826,384.16 = 375,791.28 : x - Step 2: Convert to fraction form
1,217,436.36/1,826,384.16 = 375,791.28/x - Step 3: Cross multiply
1,217,436.36x = 1,826,384.16 × 375,791.28 - Step 4: Simplify right side
1,217,436.36x = 686,339,241,258.13 - Step 5: Solve for x
x = 686,339,241,258.13/1,217,436.36 - Step 6: Final answer
x = 563,757.80
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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.