Finding the Fourth Proportional to 1,141,790.18, 1,575,613.62 and 625,545.99
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Solution
The fourth proportional to 1,141,790.18, 1,575,613.62 and 625,545.99 is: 863,222.34
Step by Step Solution
- Step 1: Write the proportion equation
1,141,790.18 : 1,575,613.62 = 625,545.99 : x - Step 2: Convert to fraction form
1,141,790.18/1,575,613.62 = 625,545.99/x - Step 3: Cross multiply
1,141,790.18x = 1,575,613.62 × 625,545.99 - Step 4: Simplify right side
1,141,790.18x = 985,618,781,780.38 - Step 5: Solve for x
x = 985,618,781,780.38/1,141,790.18 - Step 6: Final answer
x = 863,222.34
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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.