Home / 1,391,619.48-2,086,771.29-539,090.43

Finding the Fourth Proportional to 1,391,619.48, 2,086,771.29 and 539,090.43

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Solution

The fourth proportional to 1,391,619.48, 2,086,771.29 and 539,090.43 is: 808,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,619.48 : 2,086,771.29 = 539,090.43 : x
  2. Step 2: Convert to fraction form
    1,391,619.48/2,086,771.29 = 539,090.43/x
  3. Step 3: Cross multiply
    1,391,619.48x = 2,086,771.29 × 539,090.43
  4. Step 4: Simplify right side
    1,391,619.48x = 1,124,958,432,037.75
  5. Step 5: Solve for x
    x = 1,124,958,432,037.75/1,391,619.48
  6. Step 6: Final answer
    x = 808,380.77

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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.