Home / 505,631.40-758,450.06-168,671.24

Finding the Fourth Proportional to 505,631.40, 758,450.06 and 168,671.24

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Solution

The fourth proportional to 505,631.40, 758,450.06 and 168,671.24 is: 253,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,631.40 : 758,450.06 = 168,671.24 : x
  2. Step 2: Convert to fraction form
    505,631.40/758,450.06 = 168,671.24/x
  3. Step 3: Cross multiply
    505,631.40x = 758,450.06 × 168,671.24
  4. Step 4: Simplify right side
    505,631.40x = 127,928,712,098.27
  5. Step 5: Solve for x
    x = 127,928,712,098.27/505,631.40
  6. Step 6: Final answer
    x = 253,007.85

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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.