Home / 439,775.18-606,890.88-238,571.18

Finding the Fourth Proportional to 439,775.18, 606,890.88 and 238,571.18

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Solution

The fourth proportional to 439,775.18, 606,890.88 and 238,571.18 is: 329,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,775.18 : 606,890.88 = 238,571.18 : x
  2. Step 2: Convert to fraction form
    439,775.18/606,890.88 = 238,571.18/x
  3. Step 3: Cross multiply
    439,775.18x = 606,890.88 × 238,571.18
  4. Step 4: Simplify right side
    439,775.18x = 144,786,673,372.84
  5. Step 5: Solve for x
    x = 144,786,673,372.84/439,775.18
  6. Step 6: Final answer
    x = 329,228.84

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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.