Finding the Fourth Proportional to 752,993.68, 1,039,148.04 and 413,463.28
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Solution
The fourth proportional to 752,993.68, 1,039,148.04 and 413,463.28 is: 570,588.53
Step by Step Solution
- Step 1: Write the proportion equation
752,993.68 : 1,039,148.04 = 413,463.28 : x - Step 2: Convert to fraction form
752,993.68/1,039,148.04 = 413,463.28/x - Step 3: Cross multiply
752,993.68x = 1,039,148.04 × 413,463.28 - Step 4: Simplify right side
752,993.68x = 429,649,557,023.97 - Step 5: Solve for x
x = 429,649,557,023.97/752,993.68 - Step 6: Final answer
x = 570,588.53
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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.