Finding the Fourth Proportional to 1,491,178.17, 2,236,599.74 and 411,844.17
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Solution
The fourth proportional to 1,491,178.17, 2,236,599.74 and 411,844.17 is: 617,719.99
Step by Step Solution
- Step 1: Write the proportion equation
1,491,178.17 : 2,236,599.74 = 411,844.17 : x - Step 2: Convert to fraction form
1,491,178.17/2,236,599.74 = 411,844.17/x - Step 3: Cross multiply
1,491,178.17x = 2,236,599.74 × 411,844.17 - Step 4: Simplify right side
1,491,178.17x = 921,130,561,483.30 - Step 5: Solve for x
x = 921,130,561,483.30/1,491,178.17 - Step 6: Final answer
x = 617,719.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.