Home / 1,519,709.90-2,279,567.68-621,150.98

Finding the Fourth Proportional to 1,519,709.90, 2,279,567.68 and 621,150.98

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Solution

The fourth proportional to 1,519,709.90, 2,279,567.68 and 621,150.98 is: 931,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,709.90 : 2,279,567.68 = 621,150.98 : x
  2. Step 2: Convert to fraction form
    1,519,709.90/2,279,567.68 = 621,150.98/x
  3. Step 3: Cross multiply
    1,519,709.90x = 2,279,567.68 × 621,150.98
  4. Step 4: Simplify right side
    1,519,709.90x = 1,415,955,698,408.33
  5. Step 5: Solve for x
    x = 1,415,955,698,408.33/1,519,709.90
  6. Step 6: Final answer
    x = 931,727.63

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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.