Home / 1,821,878.20-2,732,882.10-559,703.80

Finding the Fourth Proportional to 1,821,878.20, 2,732,882.10 and 559,703.80

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Solution

The fourth proportional to 1,821,878.20, 2,732,882.10 and 559,703.80 is: 839,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,878.20 : 2,732,882.10 = 559,703.80 : x
  2. Step 2: Convert to fraction form
    1,821,878.20/2,732,882.10 = 559,703.80/x
  3. Step 3: Cross multiply
    1,821,878.20x = 2,732,882.10 × 559,703.80
  4. Step 4: Simplify right side
    1,821,878.20x = 1,529,604,496,321.98
  5. Step 5: Solve for x
    x = 1,529,604,496,321.98/1,821,878.20
  6. Step 6: Final answer
    x = 839,575.61

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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.