Finding the Fourth Proportional to 1,277,434.06, 1,762,799.70 and 733,186.81
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Solution
The fourth proportional to 1,277,434.06, 1,762,799.70 and 733,186.81 is: 1,011,763.76
Step by Step Solution
- Step 1: Write the proportion equation
1,277,434.06 : 1,762,799.70 = 733,186.81 : x - Step 2: Convert to fraction form
1,277,434.06/1,762,799.70 = 733,186.81/x - Step 3: Cross multiply
1,277,434.06x = 1,762,799.70 × 733,186.81 - Step 4: Simplify right side
1,277,434.06x = 1,292,461,488,711.96 - Step 5: Solve for x
x = 1,292,461,488,711.96/1,277,434.06 - Step 6: Final answer
x = 1,011,763.76
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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.