Home / 439,076.82-605,922.21-237,872.34

Finding the Fourth Proportional to 439,076.82, 605,922.21 and 237,872.34

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Solution

The fourth proportional to 439,076.82, 605,922.21 and 237,872.34 is: 328,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,076.82 : 605,922.21 = 237,872.34 : x
  2. Step 2: Convert to fraction form
    439,076.82/605,922.21 = 237,872.34/x
  3. Step 3: Cross multiply
    439,076.82x = 605,922.21 × 237,872.34
  4. Step 4: Simplify right side
    439,076.82x = 144,132,133,950.67
  5. Step 5: Solve for x
    x = 144,132,133,950.67/439,076.82
  6. Step 6: Final answer
    x = 328,261.77

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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.