Home / 439,506.84-659,276.46-123,972.15

Finding the Fourth Proportional to 439,506.84, 659,276.46 and 123,972.15

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Solution

The fourth proportional to 439,506.84, 659,276.46 and 123,972.15 is: 185,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,506.84 : 659,276.46 = 123,972.15 : x
  2. Step 2: Convert to fraction form
    439,506.84/659,276.46 = 123,972.15/x
  3. Step 3: Cross multiply
    439,506.84x = 659,276.46 × 123,972.15
  4. Step 4: Simplify right side
    439,506.84x = 81,731,920,190.59
  5. Step 5: Solve for x
    x = 81,731,920,190.59/439,506.84
  6. Step 6: Final answer
    x = 185,962.79

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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.