Home / 725,261.91-1,087,216.48-245,155.67

Finding the Fourth Proportional to 725,261.91, 1,087,216.48 and 245,155.67

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Solution

The fourth proportional to 725,261.91, 1,087,216.48 and 245,155.67 is: 367,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,261.91 : 1,087,216.48 = 245,155.67 : x
  2. Step 2: Convert to fraction form
    725,261.91/1,087,216.48 = 245,155.67/x
  3. Step 3: Cross multiply
    725,261.91x = 1,087,216.48 × 245,155.67
  4. Step 4: Simplify right side
    725,261.91x = 266,537,284,589.44
  5. Step 5: Solve for x
    x = 266,537,284,589.44/725,261.91
  6. Step 6: Final answer
    x = 367,504.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.