Finding the Fourth Proportional to 1,257,577.56, 1,735,402.59 and 684,619.74
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Solution
The fourth proportional to 1,257,577.56, 1,735,402.59 and 684,619.74 is: 944,745.60
Step by Step Solution
- Step 1: Write the proportion equation
1,257,577.56 : 1,735,402.59 = 684,619.74 : x - Step 2: Convert to fraction form
1,257,577.56/1,735,402.59 = 684,619.74/x - Step 3: Cross multiply
1,257,577.56x = 1,735,402.59 × 684,619.74 - Step 4: Simplify right side
1,257,577.56x = 1,188,090,869,961.13 - Step 5: Solve for x
x = 1,188,090,869,961.13/1,257,577.56 - Step 6: Final answer
x = 944,745.60
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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.