Home / 1,519,338.20-2,279,007.30-620,189.60

Finding the Fourth Proportional to 1,519,338.20, 2,279,007.30 and 620,189.60

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Solution

The fourth proportional to 1,519,338.20, 2,279,007.30 and 620,189.60 is: 930,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,338.20 : 2,279,007.30 = 620,189.60 : x
  2. Step 2: Convert to fraction form
    1,519,338.20/2,279,007.30 = 620,189.60/x
  3. Step 3: Cross multiply
    1,519,338.20x = 2,279,007.30 × 620,189.60
  4. Step 4: Simplify right side
    1,519,338.20x = 1,413,416,625,784.08
  5. Step 5: Solve for x
    x = 1,413,416,625,784.08/1,519,338.20
  6. Step 6: Final answer
    x = 930,284.40

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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.