Home / 439,765.29-606,877.26-238,561.29

Finding the Fourth Proportional to 439,765.29, 606,877.26 and 238,561.29

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Solution

The fourth proportional to 439,765.29, 606,877.26 and 238,561.29 is: 329,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,765.29 : 606,877.26 = 238,561.29 : x
  2. Step 2: Convert to fraction form
    439,765.29/606,877.26 = 238,561.29/x
  3. Step 3: Cross multiply
    439,765.29x = 606,877.26 × 238,561.29
  4. Step 4: Simplify right side
    439,765.29x = 144,777,422,017.27
  5. Step 5: Solve for x
    x = 144,777,422,017.27/439,765.29
  6. Step 6: Final answer
    x = 329,215.21

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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.