Home / 405,828.30-608,742.45-184,212.30

Finding the Fourth Proportional to 405,828.30, 608,742.45 and 184,212.30

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Solution

The fourth proportional to 405,828.30, 608,742.45 and 184,212.30 is: 276,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,828.30 : 608,742.45 = 184,212.30 : x
  2. Step 2: Convert to fraction form
    405,828.30/608,742.45 = 184,212.30/x
  3. Step 3: Cross multiply
    405,828.30x = 608,742.45 × 184,212.30
  4. Step 4: Simplify right side
    405,828.30x = 112,137,846,822.14
  5. Step 5: Solve for x
    x = 112,137,846,822.14/405,828.30
  6. Step 6: Final answer
    x = 276,318.45

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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.