Finding the Fourth Proportional to 1,558,678.05, 2,338,690.62 and 838,177.62
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Solution
The fourth proportional to 1,558,678.05, 2,338,690.62 and 838,177.62 is: 1,257,628.63
Step by Step Solution
- Step 1: Write the proportion equation
1,558,678.05 : 2,338,690.62 = 838,177.62 : x - Step 2: Convert to fraction form
1,558,678.05/2,338,690.62 = 838,177.62/x - Step 3: Cross multiply
1,558,678.05x = 2,338,690.62 × 838,177.62 - Step 4: Simplify right side
1,558,678.05x = 1,960,238,145,316.14 - Step 5: Solve for x
x = 1,960,238,145,316.14/1,558,678.05 - Step 6: Final answer
x = 1,257,628.63
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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.