Home / 441,817.18-661,417.90-272,794.04

Finding the Fourth Proportional to 441,817.18, 661,417.90 and 272,794.04

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Solution

The fourth proportional to 441,817.18, 661,417.90 and 272,794.04 is: 408,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,817.18 : 661,417.90 = 272,794.04 : x
  2. Step 2: Convert to fraction form
    441,817.18/661,417.90 = 272,794.04/x
  3. Step 3: Cross multiply
    441,817.18x = 661,417.90 × 272,794.04
  4. Step 4: Simplify right side
    441,817.18x = 180,430,857,080.24
  5. Step 5: Solve for x
    x = 180,430,857,080.24/441,817.18
  6. Step 6: Final answer
    x = 408,383.53

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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.