Finding the Fourth Proportional to 983,640.81, 1,357,493.77 and 548,087
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Solution
The fourth proportional to 983,640.81, 1,357,493.77 and 548,087 is: 756,398.76
Step by Step Solution
- Step 1: Write the proportion equation
983,640.81 : 1,357,493.77 = 548,087 : x - Step 2: Convert to fraction form
983,640.81/1,357,493.77 = 548,087/x - Step 3: Cross multiply
983,640.81x = 1,357,493.77 × 548,087 - Step 4: Simplify right side
983,640.81x = 744,024,685,177.56 - Step 5: Solve for x
x = 744,024,685,177.56/983,640.81 - Step 6: Final answer
x = 756,398.76
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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.