Home / 439,664.60-659,476.38-183,391.40

Finding the Fourth Proportional to 439,664.60, 659,476.38 and 183,391.40

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Solution

The fourth proportional to 439,664.60, 659,476.38 and 183,391.40 is: 275,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,664.60 : 659,476.38 = 183,391.40 : x
  2. Step 2: Convert to fraction form
    439,664.60/659,476.38 = 183,391.40/x
  3. Step 3: Cross multiply
    439,664.60x = 659,476.38 × 183,391.40
  4. Step 4: Simplify right side
    439,664.60x = 120,942,296,595.13
  5. Step 5: Solve for x
    x = 120,942,296,595.13/439,664.60
  6. Step 6: Final answer
    x = 275,078.54

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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.