Home / 439,872.29-659,846.89-124,329.20

Finding the Fourth Proportional to 439,872.29, 659,846.89 and 124,329.20

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Solution

The fourth proportional to 439,872.29, 659,846.89 and 124,329.20 is: 186,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,872.29 : 659,846.89 = 124,329.20 : x
  2. Step 2: Convert to fraction form
    439,872.29/659,846.89 = 124,329.20/x
  3. Step 3: Cross multiply
    439,872.29x = 659,846.89 × 124,329.20
  4. Step 4: Simplify right side
    439,872.29x = 82,038,232,812.37
  5. Step 5: Solve for x
    x = 82,038,232,812.37/439,872.29
  6. Step 6: Final answer
    x = 186,504.66

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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.