Home / 741,614.37-1,023,449.40-419,317.53

Finding the Fourth Proportional to 741,614.37, 1,023,449.40 and 419,317.53

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Solution

The fourth proportional to 741,614.37, 1,023,449.40 and 419,317.53 is: 578,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,614.37 : 1,023,449.40 = 419,317.53 : x
  2. Step 2: Convert to fraction form
    741,614.37/1,023,449.40 = 419,317.53/x
  3. Step 3: Cross multiply
    741,614.37x = 1,023,449.40 × 419,317.53
  4. Step 4: Simplify right side
    741,614.37x = 429,150,274,487.98
  5. Step 5: Solve for x
    x = 429,150,274,487.98/741,614.37
  6. Step 6: Final answer
    x = 578,670.39

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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.