Finding the Fourth Proportional to 1,348,618.36, 1,861,129.88 and 805,069.62
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Solution
The fourth proportional to 1,348,618.36, 1,861,129.88 and 805,069.62 is: 1,111,017.89
Step by Step Solution
- Step 1: Write the proportion equation
1,348,618.36 : 1,861,129.88 = 805,069.62 : x - Step 2: Convert to fraction form
1,348,618.36/1,861,129.88 = 805,069.62/x - Step 3: Cross multiply
1,348,618.36x = 1,861,129.88 × 805,069.62 - Step 4: Simplify right side
1,348,618.36x = 1,498,339,125,262.25 - Step 5: Solve for x
x = 1,498,339,125,262.25/1,348,618.36 - Step 6: Final answer
x = 1,111,017.89
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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.