Home / 770,911.14-1,063,844.50-426,739.79

Finding the Fourth Proportional to 770,911.14, 1,063,844.50 and 426,739.79

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Solution

The fourth proportional to 770,911.14, 1,063,844.50 and 426,739.79 is: 588,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,911.14 : 1,063,844.50 = 426,739.79 : x
  2. Step 2: Convert to fraction form
    770,911.14/1,063,844.50 = 426,739.79/x
  3. Step 3: Cross multiply
    770,911.14x = 1,063,844.50 × 426,739.79
  4. Step 4: Simplify right side
    770,911.14x = 453,984,780,915.55
  5. Step 5: Solve for x
    x = 453,984,780,915.55/770,911.14
  6. Step 6: Final answer
    x = 588,893.78

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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.