Finding the Fourth Proportional to 1,089,965.32, 1,632,584.94 and 527,821
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Solution
The fourth proportional to 1,089,965.32, 1,632,584.94 and 527,821 is: 790,587.19
Step by Step Solution
- Step 1: Write the proportion equation
1,089,965.32 : 1,632,584.94 = 527,821 : x - Step 2: Convert to fraction form
1,089,965.32/1,632,584.94 = 527,821/x - Step 3: Cross multiply
1,089,965.32x = 1,632,584.94 × 527,821 - Step 4: Simplify right side
1,089,965.32x = 861,712,615,615.74 - Step 5: Solve for x
x = 861,712,615,615.74/1,089,965.32 - Step 6: Final answer
x = 790,587.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.