Home / 439,815.30-659,617.35-124,301.70

Finding the Fourth Proportional to 439,815.30, 659,617.35 and 124,301.70

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Solution

The fourth proportional to 439,815.30, 659,617.35 and 124,301.70 is: 186,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,815.30 : 659,617.35 = 124,301.70 : x
  2. Step 2: Convert to fraction form
    439,815.30/659,617.35 = 124,301.70/x
  3. Step 3: Cross multiply
    439,815.30x = 659,617.35 × 124,301.70
  4. Step 4: Simplify right side
    439,815.30x = 81,991,557,954.50
  5. Step 5: Solve for x
    x = 81,991,557,954.50/439,815.30
  6. Step 6: Final answer
    x = 186,422.71

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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.