Finding the Fourth Proportional to 1,292,218.92, 1,783,262.18 and 719,246.79
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Solution
The fourth proportional to 1,292,218.92, 1,783,262.18 and 719,246.79 is: 992,560.61
Step by Step Solution
- Step 1: Write the proportion equation
1,292,218.92 : 1,783,262.18 = 719,246.79 : x - Step 2: Convert to fraction form
1,292,218.92/1,783,262.18 = 719,246.79/x - Step 3: Cross multiply
1,292,218.92x = 1,783,262.18 × 719,246.79 - Step 4: Simplify right side
1,292,218.92x = 1,282,605,600,491.52 - Step 5: Solve for x
x = 1,282,605,600,491.52/1,292,218.92 - Step 6: Final answer
x = 992,560.61
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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.