Finding the Fourth Proportional to 706,908.64, 1,058,639.28 and 538,247.20
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Solution
The fourth proportional to 706,908.64, 1,058,639.28 and 538,247.20 is: 806,058.37
Step by Step Solution
- Step 1: Write the proportion equation
706,908.64 : 1,058,639.28 = 538,247.20 : x - Step 2: Convert to fraction form
706,908.64/1,058,639.28 = 538,247.20/x - Step 3: Cross multiply
706,908.64x = 1,058,639.28 × 538,247.20 - Step 4: Simplify right side
706,908.64x = 569,809,628,270.02 - Step 5: Solve for x
x = 569,809,628,270.02/706,908.64 - Step 6: Final answer
x = 806,058.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.