Home / 762,393.76-1,052,229.36-422,971.36

Finding the Fourth Proportional to 762,393.76, 1,052,229.36 and 422,971.36

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Solution

The fourth proportional to 762,393.76, 1,052,229.36 and 422,971.36 is: 583,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,393.76 : 1,052,229.36 = 422,971.36 : x
  2. Step 2: Convert to fraction form
    762,393.76/1,052,229.36 = 422,971.36/x
  3. Step 3: Cross multiply
    762,393.76x = 1,052,229.36 × 422,971.36
  4. Step 4: Simplify right side
    762,393.76x = 445,062,883,431.13
  5. Step 5: Solve for x
    x = 445,062,883,431.13/762,393.76
  6. Step 6: Final answer
    x = 583,770.36

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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.