Home / 681,839.93-939,961.06-536,392.92

Finding the Fourth Proportional to 681,839.93, 939,961.06 and 536,392.92

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Solution

The fourth proportional to 681,839.93, 939,961.06 and 536,392.92 is: 739,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,839.93 : 939,961.06 = 536,392.92 : x
  2. Step 2: Convert to fraction form
    681,839.93/939,961.06 = 536,392.92/x
  3. Step 3: Cross multiply
    681,839.93x = 939,961.06 × 536,392.92
  4. Step 4: Simplify right side
    681,839.93x = 504,188,457,659.70
  5. Step 5: Solve for x
    x = 504,188,457,659.70/681,839.93
  6. Step 6: Final answer
    x = 739,452.82

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1.5x scale

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.