Finding the Fourth Proportional to 1,517,128.32, 2,093,607.36 and 838,058.88
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Solution
The fourth proportional to 1,517,128.32, 2,093,607.36 and 838,058.88 is: 1,156,504.84
Step by Step Solution
- Step 1: Write the proportion equation
1,517,128.32 : 2,093,607.36 = 838,058.88 : x - Step 2: Convert to fraction form
1,517,128.32/2,093,607.36 = 838,058.88/x - Step 3: Cross multiply
1,517,128.32x = 2,093,607.36 × 838,058.88 - Step 4: Simplify right side
1,517,128.32x = 1,754,566,239,281.36 - Step 5: Solve for x
x = 1,754,566,239,281.36/1,517,128.32 - Step 6: Final answer
x = 1,156,504.84
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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.