Finding the Fourth Proportional to 1,762,853.12, 2,643,807.36 and 765,344
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Solution
The fourth proportional to 1,762,853.12, 2,643,807.36 and 765,344 is: 1,147,810.94
Step by Step Solution
- Step 1: Write the proportion equation
1,762,853.12 : 2,643,807.36 = 765,344 : x - Step 2: Convert to fraction form
1,762,853.12/2,643,807.36 = 765,344/x - Step 3: Cross multiply
1,762,853.12x = 2,643,807.36 × 765,344 - Step 4: Simplify right side
1,762,853.12x = 2,023,422,100,131.84 - Step 5: Solve for x
x = 2,023,422,100,131.84/1,762,853.12 - Step 6: Final answer
x = 1,147,810.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.