Home / 439,908.06-659,890.04-124,389.57

Finding the Fourth Proportional to 439,908.06, 659,890.04 and 124,389.57

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Solution

The fourth proportional to 439,908.06, 659,890.04 and 124,389.57 is: 186,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,908.06 : 659,890.04 = 124,389.57 : x
  2. Step 2: Convert to fraction form
    439,908.06/659,890.04 = 124,389.57/x
  3. Step 3: Cross multiply
    439,908.06x = 659,890.04 × 124,389.57
  4. Step 4: Simplify right side
    439,908.06x = 82,083,438,322.88
  5. Step 5: Solve for x
    x = 82,083,438,322.88/439,908.06
  6. Step 6: Final answer
    x = 186,592.26

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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.