Home / 862,716.50-1,190,408.72-500,069.51

Finding the Fourth Proportional to 862,716.50, 1,190,408.72 and 500,069.51

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Solution

The fourth proportional to 862,716.50, 1,190,408.72 and 500,069.51 is: 690,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,716.50 : 1,190,408.72 = 500,069.51 : x
  2. Step 2: Convert to fraction form
    862,716.50/1,190,408.72 = 500,069.51/x
  3. Step 3: Cross multiply
    862,716.50x = 1,190,408.72 × 500,069.51
  4. Step 4: Simplify right side
    862,716.50x = 595,287,100,608.26
  5. Step 5: Solve for x
    x = 595,287,100,608.26/862,716.50
  6. Step 6: Final answer
    x = 690,014.74

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1.5x scale

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.