Home / 415,923.84-623,819.52-116,372.16

Finding the Fourth Proportional to 415,923.84, 623,819.52 and 116,372.16

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Solution

The fourth proportional to 415,923.84, 623,819.52 and 116,372.16 is: 174,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,923.84 : 623,819.52 = 116,372.16 : x
  2. Step 2: Convert to fraction form
    415,923.84/623,819.52 = 116,372.16/x
  3. Step 3: Cross multiply
    415,923.84x = 623,819.52 × 116,372.16
  4. Step 4: Simplify right side
    415,923.84x = 72,595,224,992.56
  5. Step 5: Solve for x
    x = 72,595,224,992.56/415,923.84
  6. Step 6: Final answer
    x = 174,539.71

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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.