Home / 1,667,836.16-2,501,733.36-405,664.64

Finding the Fourth Proportional to 1,667,836.16, 2,501,733.36 and 405,664.64

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Solution

The fourth proportional to 1,667,836.16, 2,501,733.36 and 405,664.64 is: 608,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,836.16 : 2,501,733.36 = 405,664.64 : x
  2. Step 2: Convert to fraction form
    1,667,836.16/2,501,733.36 = 405,664.64/x
  3. Step 3: Cross multiply
    1,667,836.16x = 2,501,733.36 × 405,664.64
  4. Step 4: Simplify right side
    1,667,836.16x = 1,014,864,762,860.39
  5. Step 5: Solve for x
    x = 1,014,864,762,860.39/1,667,836.16
  6. Step 6: Final answer
    x = 608,491.88

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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.