Home / 941,991.12-1,299,981.96-539,660.88

Finding the Fourth Proportional to 941,991.12, 1,299,981.96 and 539,660.88

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Solution

The fourth proportional to 941,991.12, 1,299,981.96 and 539,660.88 is: 744,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,991.12 : 1,299,981.96 = 539,660.88 : x
  2. Step 2: Convert to fraction form
    941,991.12/1,299,981.96 = 539,660.88/x
  3. Step 3: Cross multiply
    941,991.12x = 1,299,981.96 × 539,660.88
  4. Step 4: Simplify right side
    941,991.12x = 701,549,408,517.73
  5. Step 5: Solve for x
    x = 701,549,408,517.73/941,991.12
  6. Step 6: Final answer
    x = 744,751.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.