Finding the Fourth Proportional to 1,056,409.39, 1,457,864.83 and 648,306.99
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Solution
The fourth proportional to 1,056,409.39, 1,457,864.83 and 648,306.99 is: 894,675.84
Step by Step Solution
- Step 1: Write the proportion equation
1,056,409.39 : 1,457,864.83 = 648,306.99 : x - Step 2: Convert to fraction form
1,056,409.39/1,457,864.83 = 648,306.99/x - Step 3: Cross multiply
1,056,409.39x = 1,457,864.83 × 648,306.99 - Step 4: Simplify right side
1,056,409.39x = 945,143,960,574.55 - Step 5: Solve for x
x = 945,143,960,574.55/1,056,409.39 - Step 6: Final answer
x = 894,675.84
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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.