Finding the Fourth Proportional to 1,009,786.59, 1,393,498.80 and 574,203.96
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Solution
The fourth proportional to 1,009,786.59, 1,393,498.80 and 574,203.96 is: 792,397.66
Step by Step Solution
- Step 1: Write the proportion equation
1,009,786.59 : 1,393,498.80 = 574,203.96 : x - Step 2: Convert to fraction form
1,009,786.59/1,393,498.80 = 574,203.96/x - Step 3: Cross multiply
1,009,786.59x = 1,393,498.80 × 574,203.96 - Step 4: Simplify right side
1,009,786.59x = 800,152,529,215.25 - Step 5: Solve for x
x = 800,152,529,215.25/1,009,786.59 - Step 6: Final answer
x = 792,397.66
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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.