Finding the Fourth Proportional to 844,449.12, 1,165,349.70 and 462,492
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Solution
The fourth proportional to 844,449.12, 1,165,349.70 and 462,492 is: 638,244.39
Step by Step Solution
- Step 1: Write the proportion equation
844,449.12 : 1,165,349.70 = 462,492 : x - Step 2: Convert to fraction form
844,449.12/1,165,349.70 = 462,492/x - Step 3: Cross multiply
844,449.12x = 1,165,349.70 × 462,492 - Step 4: Simplify right side
844,449.12x = 538,964,913,452.40 - Step 5: Solve for x
x = 538,964,913,452.40/844,449.12 - Step 6: Final answer
x = 638,244.39
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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.