Finding the Fourth Proportional to 1,299,895.79, 1,793,822.65 and 719,103.92
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Solution
The fourth proportional to 1,299,895.79, 1,793,822.65 and 719,103.92 is: 992,344.86
Step by Step Solution
- Step 1: Write the proportion equation
1,299,895.79 : 1,793,822.65 = 719,103.92 : x - Step 2: Convert to fraction form
1,299,895.79/1,793,822.65 = 719,103.92/x - Step 3: Cross multiply
1,299,895.79x = 1,793,822.65 × 719,103.92 - Step 4: Simplify right side
1,299,895.79x = 1,289,944,902,086.58 - Step 5: Solve for x
x = 1,289,944,902,086.58/1,299,895.79 - Step 6: Final answer
x = 992,344.86
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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.