Finding the Fourth Proportional to 743,855.60, 1,026,784 and 442,046
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Solution
The fourth proportional to 743,855.60, 1,026,784 and 442,046 is: 610,179.93
Step by Step Solution
- Step 1: Write the proportion equation
743,855.60 : 1,026,784 = 442,046 : x - Step 2: Convert to fraction form
743,855.60/1,026,784 = 442,046/x - Step 3: Cross multiply
743,855.60x = 1,026,784 × 442,046 - Step 4: Simplify right side
743,855.60x = 453,885,760,064 - Step 5: Solve for x
x = 453,885,760,064/743,855.60 - Step 6: Final answer
x = 610,179.93
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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.