Home / 638,249.25-957,537.95-238,895.76

Finding the Fourth Proportional to 638,249.25, 957,537.95 and 238,895.76

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Solution

The fourth proportional to 638,249.25, 957,537.95 and 238,895.76 is: 358,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,249.25 : 957,537.95 = 238,895.76 : x
  2. Step 2: Convert to fraction form
    638,249.25/957,537.95 = 238,895.76/x
  3. Step 3: Cross multiply
    638,249.25x = 957,537.95 × 238,895.76
  4. Step 4: Simplify right side
    638,249.25x = 228,751,755,099.61
  5. Step 5: Solve for x
    x = 228,751,755,099.61/638,249.25
  6. Step 6: Final answer
    x = 358,405.05

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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.