Finding the Fourth Proportional to 1,048,363.70, 1,446,393.89 and 854,437.95
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Solution
The fourth proportional to 1,048,363.70, 1,446,393.89 and 854,437.95 is: 1,178,840.73
Step by Step Solution
- Step 1: Write the proportion equation
1,048,363.70 : 1,446,393.89 = 854,437.95 : x - Step 2: Convert to fraction form
1,048,363.70/1,446,393.89 = 854,437.95/x - Step 3: Cross multiply
1,048,363.70x = 1,446,393.89 × 854,437.95 - Step 4: Simplify right side
1,048,363.70x = 1,235,853,830,264.13 - Step 5: Solve for x
x = 1,235,853,830,264.13/1,048,363.70 - Step 6: Final answer
x = 1,178,840.73
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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.