Home / 1,930,661.80-2,895,474.30-808,498.60

Finding the Fourth Proportional to 1,930,661.80, 2,895,474.30 and 808,498.60

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Solution

The fourth proportional to 1,930,661.80, 2,895,474.30 and 808,498.60 is: 1,212,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,661.80 : 2,895,474.30 = 808,498.60 : x
  2. Step 2: Convert to fraction form
    1,930,661.80/2,895,474.30 = 808,498.60/x
  3. Step 3: Cross multiply
    1,930,661.80x = 2,895,474.30 × 808,498.60
  4. Step 4: Simplify right side
    1,930,661.80x = 2,340,986,917,885.98
  5. Step 5: Solve for x
    x = 2,340,986,917,885.98/1,930,661.80
  6. Step 6: Final answer
    x = 1,212,530.81

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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.