Finding the Fourth Proportional to 967,480.19, 1,335,138.65 and 531,915.95
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Solution
The fourth proportional to 967,480.19, 1,335,138.65 and 531,915.95 is: 734,052.80
Step by Step Solution
- Step 1: Write the proportion equation
967,480.19 : 1,335,138.65 = 531,915.95 : x - Step 2: Convert to fraction form
967,480.19/1,335,138.65 = 531,915.95/x - Step 3: Cross multiply
967,480.19x = 1,335,138.65 × 531,915.95 - Step 4: Simplify right side
967,480.19x = 710,181,534,061.20 - Step 5: Solve for x
x = 710,181,534,061.20/967,480.19 - Step 6: Final answer
x = 734,052.80
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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.