Home / 1,519,387.20-2,279,080.80-620,238.60

Finding the Fourth Proportional to 1,519,387.20, 2,279,080.80 and 620,238.60

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Solution

The fourth proportional to 1,519,387.20, 2,279,080.80 and 620,238.60 is: 930,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,387.20 : 2,279,080.80 = 620,238.60 : x
  2. Step 2: Convert to fraction form
    1,519,387.20/2,279,080.80 = 620,238.60/x
  3. Step 3: Cross multiply
    1,519,387.20x = 2,279,080.80 × 620,238.60
  4. Step 4: Simplify right side
    1,519,387.20x = 1,413,573,884,678.88
  5. Step 5: Solve for x
    x = 1,413,573,884,678.88/1,519,387.20
  6. Step 6: Final answer
    x = 930,357.90

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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.