Home / 741,695.23-1,023,559.54-419,453.52

Finding the Fourth Proportional to 741,695.23, 1,023,559.54 and 419,453.52

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Solution

The fourth proportional to 741,695.23, 1,023,559.54 and 419,453.52 is: 578,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,695.23 : 1,023,559.54 = 419,453.52 : x
  2. Step 2: Convert to fraction form
    741,695.23/1,023,559.54 = 419,453.52/x
  3. Step 3: Cross multiply
    741,695.23x = 1,023,559.54 × 419,453.52
  4. Step 4: Simplify right side
    741,695.23x = 429,335,649,717.18
  5. Step 5: Solve for x
    x = 429,335,649,717.18/741,695.23
  6. Step 6: Final answer
    x = 578,857.23

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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.