Home / 1,996,719.26-2,996,426.59-782,145.25

Finding the Fourth Proportional to 1,996,719.26, 2,996,426.59 and 782,145.25

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Solution

The fourth proportional to 1,996,719.26, 2,996,426.59 and 782,145.25 is: 1,173,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,719.26 : 2,996,426.59 = 782,145.25 : x
  2. Step 2: Convert to fraction form
    1,996,719.26/2,996,426.59 = 782,145.25/x
  3. Step 3: Cross multiply
    1,996,719.26x = 2,996,426.59 × 782,145.25
  4. Step 4: Simplify right side
    1,996,719.26x = 2,343,640,814,895.77
  5. Step 5: Solve for x
    x = 2,343,640,814,895.77/1,996,719.26
  6. Step 6: Final answer
    x = 1,173,745.79

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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.