Home / 556,581.39-768,083.79-301,932.58

Finding the Fourth Proportional to 556,581.39, 768,083.79 and 301,932.58

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Solution

The fourth proportional to 556,581.39, 768,083.79 and 301,932.58 is: 416,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,581.39 : 768,083.79 = 301,932.58 : x
  2. Step 2: Convert to fraction form
    556,581.39/768,083.79 = 301,932.58/x
  3. Step 3: Cross multiply
    556,581.39x = 768,083.79 × 301,932.58
  4. Step 4: Simplify right side
    556,581.39x = 231,909,518,450.67
  5. Step 5: Solve for x
    x = 231,909,518,450.67/556,581.39
  6. Step 6: Final answer
    x = 416,667.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.