Home / 591,367.41-816,087.34-319,435.30

Finding the Fourth Proportional to 591,367.41, 816,087.34 and 319,435.30

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Solution

The fourth proportional to 591,367.41, 816,087.34 and 319,435.30 is: 440,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,367.41 : 816,087.34 = 319,435.30 : x
  2. Step 2: Convert to fraction form
    591,367.41/816,087.34 = 319,435.30/x
  3. Step 3: Cross multiply
    591,367.41x = 816,087.34 × 319,435.30
  4. Step 4: Simplify right side
    591,367.41x = 260,687,101,440.30
  5. Step 5: Solve for x
    x = 260,687,101,440.30/591,367.41
  6. Step 6: Final answer
    x = 440,820.88

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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.