Finding the Fourth Proportional to 1,135,182.15, 1,566,543.65 and 625,884.53
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Solution
The fourth proportional to 1,135,182.15, 1,566,543.65 and 625,884.53 is: 863,716.39
Step by Step Solution
- Step 1: Write the proportion equation
1,135,182.15 : 1,566,543.65 = 625,884.53 : x - Step 2: Convert to fraction form
1,135,182.15/1,566,543.65 = 625,884.53/x - Step 3: Cross multiply
1,135,182.15x = 1,566,543.65 × 625,884.53 - Step 4: Simplify right side
1,135,182.15x = 980,475,425,142.59 - Step 5: Solve for x
x = 980,475,425,142.59/1,135,182.15 - Step 6: Final answer
x = 863,716.39
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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.