Home / 482,819.70-723,609.90-269,587.20

Finding the Fourth Proportional to 482,819.70, 723,609.90 and 269,587.20

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Solution

The fourth proportional to 482,819.70, 723,609.90 and 269,587.20 is: 404,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,819.70 : 723,609.90 = 269,587.20 : x
  2. Step 2: Convert to fraction form
    482,819.70/723,609.90 = 269,587.20/x
  3. Step 3: Cross multiply
    482,819.70x = 723,609.90 × 269,587.20
  4. Step 4: Simplify right side
    482,819.70x = 195,075,966,833.28
  5. Step 5: Solve for x
    x = 195,075,966,833.28/482,819.70
  6. Step 6: Final answer
    x = 404,034.81

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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.