Home / 439,584.40-659,311.80-124,073.20

Finding the Fourth Proportional to 439,584.40, 659,311.80 and 124,073.20

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Solution

The fourth proportional to 439,584.40, 659,311.80 and 124,073.20 is: 186,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,584.40 : 659,311.80 = 124,073.20 : x
  2. Step 2: Convert to fraction form
    439,584.40/659,311.80 = 124,073.20/x
  3. Step 3: Cross multiply
    439,584.40x = 659,311.80 × 124,073.20
  4. Step 4: Simplify right side
    439,584.40x = 81,802,924,823.76
  5. Step 5: Solve for x
    x = 81,802,924,823.76/439,584.40
  6. Step 6: Final answer
    x = 186,091.51

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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.