Home / 1,204,930.40-1,806,134.52-405,935.84

Finding the Fourth Proportional to 1,204,930.40, 1,806,134.52 and 405,935.84

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Solution

The fourth proportional to 1,204,930.40, 1,806,134.52 and 405,935.84 is: 608,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,930.40 : 1,806,134.52 = 405,935.84 : x
  2. Step 2: Convert to fraction form
    1,204,930.40/1,806,134.52 = 405,935.84/x
  3. Step 3: Cross multiply
    1,204,930.40x = 1,806,134.52 × 405,935.84
  4. Step 4: Simplify right side
    1,204,930.40x = 733,174,733,529.20
  5. Step 5: Solve for x
    x = 733,174,733,529.20/1,204,930.40
  6. Step 6: Final answer
    x = 608,478.91

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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.