Home / 416,488.77-624,733.19-100,945.68

Finding the Fourth Proportional to 416,488.77, 624,733.19 and 100,945.68

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Solution

The fourth proportional to 416,488.77, 624,733.19 and 100,945.68 is: 151,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,488.77 : 624,733.19 = 100,945.68 : x
  2. Step 2: Convert to fraction form
    416,488.77/624,733.19 = 100,945.68/x
  3. Step 3: Cross multiply
    416,488.77x = 624,733.19 × 100,945.68
  4. Step 4: Simplify right side
    416,488.77x = 63,064,116,683.12
  5. Step 5: Solve for x
    x = 63,064,116,683.12/416,488.77
  6. Step 6: Final answer
    x = 151,418.53

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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.