Home / 454,936.32-682,484.79-155,346.71

Finding the Fourth Proportional to 454,936.32, 682,484.79 and 155,346.71

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Solution

The fourth proportional to 454,936.32, 682,484.79 and 155,346.71 is: 233,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,936.32 : 682,484.79 = 155,346.71 : x
  2. Step 2: Convert to fraction form
    454,936.32/682,484.79 = 155,346.71/x
  3. Step 3: Cross multiply
    454,936.32x = 682,484.79 × 155,346.71
  4. Step 4: Simplify right side
    454,936.32x = 106,021,766,886.82
  5. Step 5: Solve for x
    x = 106,021,766,886.82/454,936.32
  6. Step 6: Final answer
    x = 233,047.49

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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.