Finding the Fourth Proportional to 1,639,897.79, 2,263,062.38 and 914,726.79
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Solution
The fourth proportional to 1,639,897.79, 2,263,062.38 and 914,726.79 is: 1,262,324.88
Step by Step Solution
- Step 1: Write the proportion equation
1,639,897.79 : 2,263,062.38 = 914,726.79 : x - Step 2: Convert to fraction form
1,639,897.79/2,263,062.38 = 914,726.79/x - Step 3: Cross multiply
1,639,897.79x = 2,263,062.38 × 914,726.79 - Step 4: Simplify right side
1,639,897.79x = 2,070,083,781,853.53 - Step 5: Solve for x
x = 2,070,083,781,853.53/1,639,897.79 - Step 6: Final answer
x = 1,262,324.88
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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.