Home / 1,612,955.91-2,419,440.21-653,429.64

Finding the Fourth Proportional to 1,612,955.91, 2,419,440.21 and 653,429.64

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Solution

The fourth proportional to 1,612,955.91, 2,419,440.21 and 653,429.64 is: 980,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,955.91 : 2,419,440.21 = 653,429.64 : x
  2. Step 2: Convert to fraction form
    1,612,955.91/2,419,440.21 = 653,429.64/x
  3. Step 3: Cross multiply
    1,612,955.91x = 2,419,440.21 × 653,429.64
  4. Step 4: Simplify right side
    1,612,955.91x = 1,580,933,942,154.68
  5. Step 5: Solve for x
    x = 1,580,933,942,154.68/1,612,955.91
  6. Step 6: Final answer
    x = 980,147.03

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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.