Home / 1,962,002.80-2,940,817.20-763,526.80

Finding the Fourth Proportional to 1,962,002.80, 2,940,817.20 and 763,526.80

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Solution

The fourth proportional to 1,962,002.80, 2,940,817.20 and 763,526.80 is: 1,144,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,002.80 : 2,940,817.20 = 763,526.80 : x
  2. Step 2: Convert to fraction form
    1,962,002.80/2,940,817.20 = 763,526.80/x
  3. Step 3: Cross multiply
    1,962,002.80x = 2,940,817.20 × 763,526.80
  4. Step 4: Simplify right side
    1,962,002.80x = 2,245,392,746,100.96
  5. Step 5: Solve for x
    x = 2,245,392,746,100.96/1,962,002.80
  6. Step 6: Final answer
    x = 1,144,439.11

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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.