Home / 1,882,990.80-2,824,486.20-620,654.40

Finding the Fourth Proportional to 1,882,990.80, 2,824,486.20 and 620,654.40

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Solution

The fourth proportional to 1,882,990.80, 2,824,486.20 and 620,654.40 is: 930,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,990.80 : 2,824,486.20 = 620,654.40 : x
  2. Step 2: Convert to fraction form
    1,882,990.80/2,824,486.20 = 620,654.40/x
  3. Step 3: Cross multiply
    1,882,990.80x = 2,824,486.20 × 620,654.40
  4. Step 4: Simplify right side
    1,882,990.80x = 1,753,029,787,769.28
  5. Step 5: Solve for x
    x = 1,753,029,787,769.28/1,882,990.80
  6. Step 6: Final answer
    x = 930,981.60

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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.