Finding the Fourth Proportional to 1,248,934.95, 1,723,571.97 and 765,406.66
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Solution
The fourth proportional to 1,248,934.95, 1,723,571.97 and 765,406.66 is: 1,056,286.77
Step by Step Solution
- Step 1: Write the proportion equation
1,248,934.95 : 1,723,571.97 = 765,406.66 : x - Step 2: Convert to fraction form
1,248,934.95/1,723,571.97 = 765,406.66/x - Step 3: Cross multiply
1,248,934.95x = 1,723,571.97 × 765,406.66 - Step 4: Simplify right side
1,248,934.95x = 1,319,233,464,827.32 - Step 5: Solve for x
x = 1,319,233,464,827.32/1,248,934.95 - Step 6: Final answer
x = 1,056,286.77
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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.