Finding the Fourth Proportional to 1,229,943.16, 1,697,248.38 and 713,657.08
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Solution
The fourth proportional to 1,229,943.16, 1,697,248.38 and 713,657.08 is: 984,804.31
Step by Step Solution
- Step 1: Write the proportion equation
1,229,943.16 : 1,697,248.38 = 713,657.08 : x - Step 2: Convert to fraction form
1,229,943.16/1,697,248.38 = 713,657.08/x - Step 3: Cross multiply
1,229,943.16x = 1,697,248.38 × 713,657.08 - Step 4: Simplify right side
1,229,943.16x = 1,211,253,322,905.53 - Step 5: Solve for x
x = 1,211,253,322,905.53/1,229,943.16 - Step 6: Final answer
x = 984,804.31
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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.