Finding the Fourth Proportional to 1,013,789.80, 1,398,874.08 and 583,986
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Solution
The fourth proportional to 1,013,789.80, 1,398,874.08 and 583,986 is: 805,810.91
Step by Step Solution
- Step 1: Write the proportion equation
1,013,789.80 : 1,398,874.08 = 583,986 : x - Step 2: Convert to fraction form
1,013,789.80/1,398,874.08 = 583,986/x - Step 3: Cross multiply
1,013,789.80x = 1,398,874.08 × 583,986 - Step 4: Simplify right side
1,013,789.80x = 816,922,878,482.88 - Step 5: Solve for x
x = 816,922,878,482.88/1,013,789.80 - Step 6: Final answer
x = 805,810.91
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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.