Finding the Fourth Proportional to 1,636,729.11, 2,453,518.98 and 838,386.63
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Solution
The fourth proportional to 1,636,729.11, 2,453,518.98 and 838,386.63 is: 1,256,773.34
Step by Step Solution
- Step 1: Write the proportion equation
1,636,729.11 : 2,453,518.98 = 838,386.63 : x - Step 2: Convert to fraction form
1,636,729.11/2,453,518.98 = 838,386.63/x - Step 3: Cross multiply
1,636,729.11x = 2,453,518.98 × 838,386.63 - Step 4: Simplify right side
1,636,729.11x = 2,056,997,509,283.24 - Step 5: Solve for x
x = 2,056,997,509,283.24/1,636,729.11 - Step 6: Final answer
x = 1,256,773.34
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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.