Home / 419,126.36-628,310.46-152,824.58

Finding the Fourth Proportional to 419,126.36, 628,310.46 and 152,824.58

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Solution

The fourth proportional to 419,126.36, 628,310.46 and 152,824.58 is: 229,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,126.36 : 628,310.46 = 152,824.58 : x
  2. Step 2: Convert to fraction form
    419,126.36/628,310.46 = 152,824.58/x
  3. Step 3: Cross multiply
    419,126.36x = 628,310.46 × 152,824.58
  4. Step 4: Simplify right side
    419,126.36x = 96,021,282,159.11
  5. Step 5: Solve for x
    x = 96,021,282,159.11/419,126.36
  6. Step 6: Final answer
    x = 229,098.65

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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.