Finding the Fourth Proportional to 745,747.22, 1,028,698.36 and 469,997.04
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Solution
The fourth proportional to 745,747.22, 1,028,698.36 and 469,997.04 is: 648,323.15
Step by Step Solution
- Step 1: Write the proportion equation
745,747.22 : 1,028,698.36 = 469,997.04 : x - Step 2: Convert to fraction form
745,747.22/1,028,698.36 = 469,997.04/x - Step 3: Cross multiply
745,747.22x = 1,028,698.36 × 469,997.04 - Step 4: Simplify right side
745,747.22x = 483,485,185,734.40 - Step 5: Solve for x
x = 483,485,185,734.40/745,747.22 - Step 6: Final answer
x = 648,323.15
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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.