Home / 1,338,919.41-2,008,718.97-619,779.48

Finding the Fourth Proportional to 1,338,919.41, 2,008,718.97 and 619,779.48

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Solution

The fourth proportional to 1,338,919.41, 2,008,718.97 and 619,779.48 is: 929,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,919.41 : 2,008,718.97 = 619,779.48 : x
  2. Step 2: Convert to fraction form
    1,338,919.41/2,008,718.97 = 619,779.48/x
  3. Step 3: Cross multiply
    1,338,919.41x = 2,008,718.97 × 619,779.48
  4. Step 4: Simplify right side
    1,338,919.41x = 1,244,962,798,692.74
  5. Step 5: Solve for x
    x = 1,244,962,798,692.74/1,338,919.41
  6. Step 6: Final answer
    x = 929,826.54

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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.