Home / 416,488.27-624,732.44-100,945.18

Finding the Fourth Proportional to 416,488.27, 624,732.44 and 100,945.18

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Solution

The fourth proportional to 416,488.27, 624,732.44 and 100,945.18 is: 151,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,488.27 : 624,732.44 = 100,945.18 : x
  2. Step 2: Convert to fraction form
    416,488.27/624,732.44 = 100,945.18/x
  3. Step 3: Cross multiply
    416,488.27x = 624,732.44 × 100,945.18
  4. Step 4: Simplify right side
    416,488.27x = 63,063,728,607.64
  5. Step 5: Solve for x
    x = 63,063,728,607.64/416,488.27
  6. Step 6: Final answer
    x = 151,417.78

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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.