Finding the Fourth Proportional to 1,089,210.71, 1,503,130.10 and 605,776.05
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Solution
The fourth proportional to 1,089,210.71, 1,503,130.10 and 605,776.05 is: 835,981.69
Step by Step Solution
- Step 1: Write the proportion equation
1,089,210.71 : 1,503,130.10 = 605,776.05 : x - Step 2: Convert to fraction form
1,089,210.71/1,503,130.10 = 605,776.05/x - Step 3: Cross multiply
1,089,210.71x = 1,503,130.10 × 605,776.05 - Step 4: Simplify right side
1,089,210.71x = 910,560,211,585.23 - Step 5: Solve for x
x = 910,560,211,585.23/1,089,210.71 - Step 6: Final answer
x = 835,981.69
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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.