Finding the Fourth Proportional to 1,278,214.94, 1,763,935.29 and 705,255.08
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Solution
The fourth proportional to 1,278,214.94, 1,763,935.29 and 705,255.08 is: 973,251.28
Step by Step Solution
- Step 1: Write the proportion equation
1,278,214.94 : 1,763,935.29 = 705,255.08 : x - Step 2: Convert to fraction form
1,278,214.94/1,763,935.29 = 705,255.08/x - Step 3: Cross multiply
1,278,214.94x = 1,763,935.29 × 705,255.08 - Step 4: Simplify right side
1,278,214.94x = 1,244,024,315,244.10 - Step 5: Solve for x
x = 1,244,024,315,244.10/1,278,214.94 - Step 6: Final answer
x = 973,251.28
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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.