Finding the Fourth Proportional to 1,277,363.81, 1,762,747.97 and 696,585.11
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Solution
The fourth proportional to 1,277,363.81, 1,762,747.97 and 696,585.11 is: 961,279.76
Step by Step Solution
- Step 1: Write the proportion equation
1,277,363.81 : 1,762,747.97 = 696,585.11 : x - Step 2: Convert to fraction form
1,277,363.81/1,762,747.97 = 696,585.11/x - Step 3: Cross multiply
1,277,363.81x = 1,762,747.97 × 696,585.11 - Step 4: Simplify right side
1,277,363.81x = 1,227,903,976,288.06 - Step 5: Solve for x
x = 1,227,903,976,288.06/1,277,363.81 - Step 6: Final answer
x = 961,279.76
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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.