Finding the Fourth Proportional to 1,277,529.81, 1,762,545.94 and 818,897.26
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Solution
The fourth proportional to 1,277,529.81, 1,762,545.94 and 818,897.26 is: 1,129,792.85
Step by Step Solution
- Step 1: Write the proportion equation
1,277,529.81 : 1,762,545.94 = 818,897.26 : x - Step 2: Convert to fraction form
1,277,529.81/1,762,545.94 = 818,897.26/x - Step 3: Cross multiply
1,277,529.81x = 1,762,545.94 × 818,897.26 - Step 4: Simplify right side
1,277,529.81x = 1,443,344,042,347.59 - Step 5: Solve for x
x = 1,443,344,042,347.59/1,277,529.81 - Step 6: Final answer
x = 1,129,792.85
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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.