Finding the Fourth Proportional to 942,578.04, 1,300,334.94 and 636,555
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Solution
The fourth proportional to 942,578.04, 1,300,334.94 and 636,555 is: 878,160.40
Step by Step Solution
- Step 1: Write the proportion equation
942,578.04 : 1,300,334.94 = 636,555 : x - Step 2: Convert to fraction form
942,578.04/1,300,334.94 = 636,555/x - Step 3: Cross multiply
942,578.04x = 1,300,334.94 × 636,555 - Step 4: Simplify right side
942,578.04x = 827,734,707,731.70 - Step 5: Solve for x
x = 827,734,707,731.70/942,578.04 - Step 6: Final answer
x = 878,160.40
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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.