Home / 1,413,189.44-1,950,215.64-768,624.56

Finding the Fourth Proportional to 1,413,189.44, 1,950,215.64 and 768,624.56

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Solution

The fourth proportional to 1,413,189.44, 1,950,215.64 and 768,624.56 is: 1,060,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,189.44 : 1,950,215.64 = 768,624.56 : x
  2. Step 2: Convert to fraction form
    1,413,189.44/1,950,215.64 = 768,624.56/x
  3. Step 3: Cross multiply
    1,413,189.44x = 1,950,215.64 × 768,624.56
  4. Step 4: Simplify right side
    1,413,189.44x = 1,498,983,638,200.12
  5. Step 5: Solve for x
    x = 1,498,983,638,200.12/1,413,189.44
  6. Step 6: Final answer
    x = 1,060,709.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.