Home / 1,899,771.48-2,850,287.79-620,420.69

Finding the Fourth Proportional to 1,899,771.48, 2,850,287.79 and 620,420.69

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Solution

The fourth proportional to 1,899,771.48, 2,850,287.79 and 620,420.69 is: 930,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,771.48 : 2,850,287.79 = 620,420.69 : x
  2. Step 2: Convert to fraction form
    1,899,771.48/2,850,287.79 = 620,420.69/x
  3. Step 3: Cross multiply
    1,899,771.48x = 2,850,287.79 × 620,420.69
  4. Step 4: Simplify right side
    1,899,771.48x = 1,768,377,526,822.67
  5. Step 5: Solve for x
    x = 1,768,377,526,822.67/1,899,771.48
  6. Step 6: Final answer
    x = 930,836.97

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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.