Home / 383,688.36-529,250.76-247,669.92

Finding the Fourth Proportional to 383,688.36, 529,250.76 and 247,669.92

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Solution

The fourth proportional to 383,688.36, 529,250.76 and 247,669.92 is: 341,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,688.36 : 529,250.76 = 247,669.92 : x
  2. Step 2: Convert to fraction form
    383,688.36/529,250.76 = 247,669.92/x
  3. Step 3: Cross multiply
    383,688.36x = 529,250.76 × 247,669.92
  4. Step 4: Simplify right side
    383,688.36x = 131,079,493,389.14
  5. Step 5: Solve for x
    x = 131,079,493,389.14/383,688.36
  6. Step 6: Final answer
    x = 341,630.10

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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.