Home / 546,212.38-819,141.27-209,235.10

Finding the Fourth Proportional to 546,212.38, 819,141.27 and 209,235.10

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Solution

The fourth proportional to 546,212.38, 819,141.27 and 209,235.10 is: 313,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,212.38 : 819,141.27 = 209,235.10 : x
  2. Step 2: Convert to fraction form
    546,212.38/819,141.27 = 209,235.10/x
  3. Step 3: Cross multiply
    546,212.38x = 819,141.27 × 209,235.10
  4. Step 4: Simplify right side
    546,212.38x = 171,393,105,542.58
  5. Step 5: Solve for x
    x = 171,393,105,542.58/546,212.38
  6. Step 6: Final answer
    x = 313,784.73

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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.