Home / 1,882,643.80-2,823,965.70-620,512.60

Finding the Fourth Proportional to 1,882,643.80, 2,823,965.70 and 620,512.60

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Solution

The fourth proportional to 1,882,643.80, 2,823,965.70 and 620,512.60 is: 930,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,643.80 : 2,823,965.70 = 620,512.60 : x
  2. Step 2: Convert to fraction form
    1,882,643.80/2,823,965.70 = 620,512.60/x
  3. Step 3: Cross multiply
    1,882,643.80x = 2,823,965.70 × 620,512.60
  4. Step 4: Simplify right side
    1,882,643.80x = 1,752,306,298,817.82
  5. Step 5: Solve for x
    x = 1,752,306,298,817.82/1,882,643.80
  6. Step 6: Final answer
    x = 930,768.90

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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.