Finding the Fourth Proportional to 1,292,994.18, 1,784,379.11 and 803,233.62
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Solution
The fourth proportional to 1,292,994.18, 1,784,379.11 and 803,233.62 is: 1,108,491.68
Step by Step Solution
- Step 1: Write the proportion equation
1,292,994.18 : 1,784,379.11 = 803,233.62 : x - Step 2: Convert to fraction form
1,292,994.18/1,784,379.11 = 803,233.62/x - Step 3: Cross multiply
1,292,994.18x = 1,784,379.11 × 803,233.62 - Step 4: Simplify right side
1,292,994.18x = 1,433,273,287,961.51 - Step 5: Solve for x
x = 1,433,273,287,961.51/1,292,994.18 - Step 6: Final answer
x = 1,108,491.68
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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.