Home / 741,421.24-1,023,205.43-419,161.32

Finding the Fourth Proportional to 741,421.24, 1,023,205.43 and 419,161.32

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Solution

The fourth proportional to 741,421.24, 1,023,205.43 and 419,161.32 is: 578,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,421.24 : 1,023,205.43 = 419,161.32 : x
  2. Step 2: Convert to fraction form
    741,421.24/1,023,205.43 = 419,161.32/x
  3. Step 3: Cross multiply
    741,421.24x = 1,023,205.43 × 419,161.32
  4. Step 4: Simplify right side
    741,421.24x = 428,888,138,669.97
  5. Step 5: Solve for x
    x = 428,888,138,669.97/741,421.24
  6. Step 6: Final answer
    x = 578,467.56

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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.