Home / 1,416,255.55-1,954,432.94-771,675.75

Finding the Fourth Proportional to 1,416,255.55, 1,954,432.94 and 771,675.75

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Solution

The fourth proportional to 1,416,255.55, 1,954,432.94 and 771,675.75 is: 1,064,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,255.55 : 1,954,432.94 = 771,675.75 : x
  2. Step 2: Convert to fraction form
    1,416,255.55/1,954,432.94 = 771,675.75/x
  3. Step 3: Cross multiply
    1,416,255.55x = 1,954,432.94 × 771,675.75
  4. Step 4: Simplify right side
    1,416,255.55x = 1,508,188,504,799.21
  5. Step 5: Solve for x
    x = 1,508,188,504,799.21/1,416,255.55
  6. Step 6: Final answer
    x = 1,064,912.69

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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.