Home / 762,235.40-1,051,949.46-422,813

Finding the Fourth Proportional to 762,235.40, 1,051,949.46 and 422,813

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Solution

The fourth proportional to 762,235.40, 1,051,949.46 and 422,813 is: 583,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,235.40 : 1,051,949.46 = 422,813 : x
  2. Step 2: Convert to fraction form
    762,235.40/1,051,949.46 = 422,813/x
  3. Step 3: Cross multiply
    762,235.40x = 1,051,949.46 × 422,813
  4. Step 4: Simplify right side
    762,235.40x = 444,777,907,030.98
  5. Step 5: Solve for x
    x = 444,777,907,030.98/762,235.40
  6. Step 6: Final answer
    x = 583,517.78

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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.