Finding the Fourth Proportional to 1,016,149.96, 1,402,681.44 and 762,239.80
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Solution
The fourth proportional to 1,016,149.96, 1,402,681.44 and 762,239.80 is: 1,052,186.84
Step by Step Solution
- Step 1: Write the proportion equation
1,016,149.96 : 1,402,681.44 = 762,239.80 : x - Step 2: Convert to fraction form
1,016,149.96/1,402,681.44 = 762,239.80/x - Step 3: Cross multiply
1,016,149.96x = 1,402,681.44 × 762,239.80 - Step 4: Simplify right side
1,016,149.96x = 1,069,179,620,289.31 - Step 5: Solve for x
x = 1,069,179,620,289.31/1,016,149.96 - Step 6: Final answer
x = 1,052,186.84
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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.