Finding the Fourth Proportional to 1,277,728.32, 1,763,234.19 and 704,756.19
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Solution
The fourth proportional to 1,277,728.32, 1,763,234.19 and 704,756.19 is: 972,546.50
Step by Step Solution
- Step 1: Write the proportion equation
1,277,728.32 : 1,763,234.19 = 704,756.19 : x - Step 2: Convert to fraction form
1,277,728.32/1,763,234.19 = 704,756.19/x - Step 3: Cross multiply
1,277,728.32x = 1,763,234.19 × 704,756.19 - Step 4: Simplify right side
1,277,728.32x = 1,242,650,209,822.14 - Step 5: Solve for x
x = 1,242,650,209,822.14/1,277,728.32 - Step 6: Final answer
x = 972,546.50
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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.