Finding the Fourth Proportional to 1,227,776.68, 1,693,520.58 and 768,093.64
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Solution
The fourth proportional to 1,227,776.68, 1,693,520.58 and 768,093.64 is: 1,059,461.71
Step by Step Solution
- Step 1: Write the proportion equation
1,227,776.68 : 1,693,520.58 = 768,093.64 : x - Step 2: Convert to fraction form
1,227,776.68/1,693,520.58 = 768,093.64/x - Step 3: Cross multiply
1,227,776.68x = 1,693,520.58 × 768,093.64 - Step 4: Simplify right side
1,227,776.68x = 1,300,782,386,707.11 - Step 5: Solve for x
x = 1,300,782,386,707.11/1,227,776.68 - Step 6: Final answer
x = 1,059,461.71
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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.