Finding the Fourth Proportional to 996,586.49, 1,375,334.07 and 561,153.57
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Solution
The fourth proportional to 996,586.49, 1,375,334.07 and 561,153.57 is: 774,417.10
Step by Step Solution
- Step 1: Write the proportion equation
996,586.49 : 1,375,334.07 = 561,153.57 : x - Step 2: Convert to fraction form
996,586.49/1,375,334.07 = 561,153.57/x - Step 3: Cross multiply
996,586.49x = 1,375,334.07 × 561,153.57 - Step 4: Simplify right side
996,586.49x = 771,773,620,517.36 - Step 5: Solve for x
x = 771,773,620,517.36/996,586.49 - Step 6: Final answer
x = 774,417.10
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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.