Home / 741,777.40-1,023,653.37-402,245.56

Finding the Fourth Proportional to 741,777.40, 1,023,653.37 and 402,245.56

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Solution

The fourth proportional to 741,777.40, 1,023,653.37 and 402,245.56 is: 555,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,777.40 : 1,023,653.37 = 402,245.56 : x
  2. Step 2: Convert to fraction form
    741,777.40/1,023,653.37 = 402,245.56/x
  3. Step 3: Cross multiply
    741,777.40x = 1,023,653.37 × 402,245.56
  4. Step 4: Simplify right side
    741,777.40x = 411,760,023,061.54
  5. Step 5: Solve for x
    x = 411,760,023,061.54/741,777.40
  6. Step 6: Final answer
    x = 555,099.18

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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.