Finding the Fourth Proportional to 1,243,595.05, 1,863,139.93 and 570,239.62
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Solution
The fourth proportional to 1,243,595.05, 1,863,139.93 and 570,239.62 is: 854,326.50
Step by Step Solution
- Step 1: Write the proportion equation
1,243,595.05 : 1,863,139.93 = 570,239.62 : x - Step 2: Convert to fraction form
1,243,595.05/1,863,139.93 = 570,239.62/x - Step 3: Cross multiply
1,243,595.05x = 1,863,139.93 × 570,239.62 - Step 4: Simplify right side
1,243,595.05x = 1,062,436,205,690.03 - Step 5: Solve for x
x = 1,062,436,205,690.03/1,243,595.05 - Step 6: Final answer
x = 854,326.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.