Home / 1,491,163.28-2,057,863.58-846,643.45

Finding the Fourth Proportional to 1,491,163.28, 2,057,863.58 and 846,643.45

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Solution

The fourth proportional to 1,491,163.28, 2,057,863.58 and 846,643.45 is: 1,168,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,163.28 : 2,057,863.58 = 846,643.45 : x
  2. Step 2: Convert to fraction form
    1,491,163.28/2,057,863.58 = 846,643.45/x
  3. Step 3: Cross multiply
    1,491,163.28x = 2,057,863.58 × 846,643.45
  4. Step 4: Simplify right side
    1,491,163.28x = 1,742,276,706,478.02
  5. Step 5: Solve for x
    x = 1,742,276,706,478.02/1,491,163.28
  6. Step 6: Final answer
    x = 1,168,401.03

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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.