Finding the Fourth Proportional to 1,092,806.14, 1,508,220.39 and 640,277.50
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Solution
The fourth proportional to 1,092,806.14, 1,508,220.39 and 640,277.50 is: 883,669.61
Step by Step Solution
- Step 1: Write the proportion equation
1,092,806.14 : 1,508,220.39 = 640,277.50 : x - Step 2: Convert to fraction form
1,092,806.14/1,508,220.39 = 640,277.50/x - Step 3: Cross multiply
1,092,806.14x = 1,508,220.39 × 640,277.50 - Step 4: Simplify right side
1,092,806.14x = 965,679,580,758.23 - Step 5: Solve for x
x = 965,679,580,758.23/1,092,806.14 - Step 6: Final answer
x = 883,669.61
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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.