Finding the Fourth Proportional to 1,173,343.74, 1,619,215.02 and 636,799.74
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Solution
The fourth proportional to 1,173,343.74, 1,619,215.02 and 636,799.74 is: 878,784.00
Step by Step Solution
- Step 1: Write the proportion equation
1,173,343.74 : 1,619,215.02 = 636,799.74 : x - Step 2: Convert to fraction form
1,173,343.74/1,619,215.02 = 636,799.74/x - Step 3: Cross multiply
1,173,343.74x = 1,619,215.02 × 636,799.74 - Step 4: Simplify right side
1,173,343.74x = 1,031,115,703,740.09 - Step 5: Solve for x
x = 1,031,115,703,740.09/1,173,343.74 - Step 6: Final answer
x = 878,784.00
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1.5x scale
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.