Home / 1,053,882.09-1,581,074.64-343,911.42

Finding the Fourth Proportional to 1,053,882.09, 1,581,074.64 and 343,911.42

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Solution

The fourth proportional to 1,053,882.09, 1,581,074.64 and 343,911.42 is: 515,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,882.09 : 1,581,074.64 = 343,911.42 : x
  2. Step 2: Convert to fraction form
    1,053,882.09/1,581,074.64 = 343,911.42/x
  3. Step 3: Cross multiply
    1,053,882.09x = 1,581,074.64 × 343,911.42
  4. Step 4: Simplify right side
    1,053,882.09x = 543,749,624,568.39
  5. Step 5: Solve for x
    x = 543,749,624,568.39/1,053,882.09
  6. Step 6: Final answer
    x = 515,949.20

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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.