Finding the Fourth Proportional to 730,723.99, 1,088,380.71 and 697,937.96
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Solution
The fourth proportional to 730,723.99, 1,088,380.71 and 697,937.96 is: 1,039,547.39
Step by Step Solution
- Step 1: Write the proportion equation
730,723.99 : 1,088,380.71 = 697,937.96 : x - Step 2: Convert to fraction form
730,723.99/1,088,380.71 = 697,937.96/x - Step 3: Cross multiply
730,723.99x = 1,088,380.71 × 697,937.96 - Step 4: Simplify right side
730,723.99x = 759,622,210,137.68 - Step 5: Solve for x
x = 759,622,210,137.68/730,723.99 - Step 6: Final answer
x = 1,039,547.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.