Home / 439,943.04-659,836.80-124,392.96

Finding the Fourth Proportional to 439,943.04, 659,836.80 and 124,392.96

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Solution

The fourth proportional to 439,943.04, 659,836.80 and 124,392.96 is: 186,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,943.04 : 659,836.80 = 124,392.96 : x
  2. Step 2: Convert to fraction form
    439,943.04/659,836.80 = 124,392.96/x
  3. Step 3: Cross multiply
    439,943.04x = 659,836.80 × 124,392.96
  4. Step 4: Simplify right side
    439,943.04x = 82,079,052,668.93
  5. Step 5: Solve for x
    x = 82,079,052,668.93/439,943.04
  6. Step 6: Final answer
    x = 186,567.45

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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.