Home / 741,148.12-1,022,408.76-468,757.27

Finding the Fourth Proportional to 741,148.12, 1,022,408.76 and 468,757.27

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Solution

The fourth proportional to 741,148.12, 1,022,408.76 and 468,757.27 is: 646,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,148.12 : 1,022,408.76 = 468,757.27 : x
  2. Step 2: Convert to fraction form
    741,148.12/1,022,408.76 = 468,757.27/x
  3. Step 3: Cross multiply
    741,148.12x = 1,022,408.76 × 468,757.27
  4. Step 4: Simplify right side
    741,148.12x = 479,261,539,161.69
  5. Step 5: Solve for x
    x = 479,261,539,161.69/741,148.12
  6. Step 6: Final answer
    x = 646,647.45

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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.