Finding the Fourth Proportional to 1,170,911.84, 1,615,851.99 and 654,665.63
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Solution
The fourth proportional to 1,170,911.84, 1,615,851.99 and 654,665.63 is: 903,435.02
Step by Step Solution
- Step 1: Write the proportion equation
1,170,911.84 : 1,615,851.99 = 654,665.63 : x - Step 2: Convert to fraction form
1,170,911.84/1,615,851.99 = 654,665.63/x - Step 3: Cross multiply
1,170,911.84x = 1,615,851.99 × 654,665.63 - Step 4: Simplify right side
1,170,911.84x = 1,057,842,752,940.84 - Step 5: Solve for x
x = 1,057,842,752,940.84/1,170,911.84 - Step 6: Final answer
x = 903,435.02
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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.