Home / 451,509.32-623,083.74-250,305.32

Finding the Fourth Proportional to 451,509.32, 623,083.74 and 250,305.32

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Solution

The fourth proportional to 451,509.32, 623,083.74 and 250,305.32 is: 345,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,509.32 : 623,083.74 = 250,305.32 : x
  2. Step 2: Convert to fraction form
    451,509.32/623,083.74 = 250,305.32/x
  3. Step 3: Cross multiply
    451,509.32x = 623,083.74 × 250,305.32
  4. Step 4: Simplify right side
    451,509.32x = 155,961,174,927.50
  5. Step 5: Solve for x
    x = 155,961,174,927.50/451,509.32
  6. Step 6: Final answer
    x = 345,421.83

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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.