Home / 1,639,919.03-2,458,824.83-681,036.05

Finding the Fourth Proportional to 1,639,919.03, 2,458,824.83 and 681,036.05

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Solution

The fourth proportional to 1,639,919.03, 2,458,824.83 and 681,036.05 is: 1,021,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,919.03 : 2,458,824.83 = 681,036.05 : x
  2. Step 2: Convert to fraction form
    1,639,919.03/2,458,824.83 = 681,036.05/x
  3. Step 3: Cross multiply
    1,639,919.03x = 2,458,824.83 × 681,036.05
  4. Step 4: Simplify right side
    1,639,919.03x = 1,674,548,349,865.12
  5. Step 5: Solve for x
    x = 1,674,548,349,865.12/1,639,919.03
  6. Step 6: Final answer
    x = 1,021,116.48

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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.