Home / 455,500.24-681,924.40-238,845.21

Finding the Fourth Proportional to 455,500.24, 681,924.40 and 238,845.21

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Solution

The fourth proportional to 455,500.24, 681,924.40 and 238,845.21 is: 357,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,500.24 : 681,924.40 = 238,845.21 : x
  2. Step 2: Convert to fraction form
    455,500.24/681,924.40 = 238,845.21/x
  3. Step 3: Cross multiply
    455,500.24x = 681,924.40 × 238,845.21
  4. Step 4: Simplify right side
    455,500.24x = 162,874,376,596.76
  5. Step 5: Solve for x
    x = 162,874,376,596.76/455,500.24
  6. Step 6: Final answer
    x = 357,572.54

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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.