Home / 1,419,108.80-1,960,502.72-930,238.88

Finding the Fourth Proportional to 1,419,108.80, 1,960,502.72 and 930,238.88

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Solution

The fourth proportional to 1,419,108.80, 1,960,502.72 and 930,238.88 is: 1,285,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,108.80 : 1,960,502.72 = 930,238.88 : x
  2. Step 2: Convert to fraction form
    1,419,108.80/1,960,502.72 = 930,238.88/x
  3. Step 3: Cross multiply
    1,419,108.80x = 1,960,502.72 × 930,238.88
  4. Step 4: Simplify right side
    1,419,108.80x = 1,823,735,854,489.75
  5. Step 5: Solve for x
    x = 1,823,735,854,489.75/1,419,108.80
  6. Step 6: Final answer
    x = 1,285,127.58

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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.