Home / 494,010.15-681,525.19-330,719.25

Finding the Fourth Proportional to 494,010.15, 681,525.19 and 330,719.25

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Solution

The fourth proportional to 494,010.15, 681,525.19 and 330,719.25 is: 456,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,010.15 : 681,525.19 = 330,719.25 : x
  2. Step 2: Convert to fraction form
    494,010.15/681,525.19 = 330,719.25/x
  3. Step 3: Cross multiply
    494,010.15x = 681,525.19 × 330,719.25
  4. Step 4: Simplify right side
    494,010.15x = 225,393,496,285.28
  5. Step 5: Solve for x
    x = 225,393,496,285.28/494,010.15
  6. Step 6: Final answer
    x = 456,252.76

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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.