Home / 693,453.40-1,040,180.10-591,976.60

Finding the Fourth Proportional to 693,453.40, 1,040,180.10 and 591,976.60

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Solution

The fourth proportional to 693,453.40, 1,040,180.10 and 591,976.60 is: 887,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,453.40 : 1,040,180.10 = 591,976.60 : x
  2. Step 2: Convert to fraction form
    693,453.40/1,040,180.10 = 591,976.60/x
  3. Step 3: Cross multiply
    693,453.40x = 1,040,180.10 × 591,976.60
  4. Step 4: Simplify right side
    693,453.40x = 615,762,278,985.66
  5. Step 5: Solve for x
    x = 615,762,278,985.66/693,453.40
  6. Step 6: Final answer
    x = 887,964.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.