Home / 368,789.48-508,977.96-207,676.04

Finding the Fourth Proportional to 368,789.48, 508,977.96 and 207,676.04

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Solution

The fourth proportional to 368,789.48, 508,977.96 and 207,676.04 is: 286,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,789.48 : 508,977.96 = 207,676.04 : x
  2. Step 2: Convert to fraction form
    368,789.48/508,977.96 = 207,676.04/x
  3. Step 3: Cross multiply
    368,789.48x = 508,977.96 × 207,676.04
  4. Step 4: Simplify right side
    368,789.48x = 105,702,527,180.08
  5. Step 5: Solve for x
    x = 105,702,527,180.08/368,789.48
  6. Step 6: Final answer
    x = 286,620.23

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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.