Home / 410,814.23-616,453.43-221,270.58

Finding the Fourth Proportional to 410,814.23, 616,453.43 and 221,270.58

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Solution

The fourth proportional to 410,814.23, 616,453.43 and 221,270.58 is: 332,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,814.23 : 616,453.43 = 221,270.58 : x
  2. Step 2: Convert to fraction form
    410,814.23/616,453.43 = 221,270.58/x
  3. Step 3: Cross multiply
    410,814.23x = 616,453.43 × 221,270.58
  4. Step 4: Simplify right side
    410,814.23x = 136,403,006,892.74
  5. Step 5: Solve for x
    x = 136,403,006,892.74/410,814.23
  6. Step 6: Final answer
    x = 332,030.88

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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.