Home / 383,921.90-575,623.65-204,037.10

Finding the Fourth Proportional to 383,921.90, 575,623.65 and 204,037.10

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Solution

The fourth proportional to 383,921.90, 575,623.65 and 204,037.10 is: 305,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,921.90 : 575,623.65 = 204,037.10 : x
  2. Step 2: Convert to fraction form
    383,921.90/575,623.65 = 204,037.10/x
  3. Step 3: Cross multiply
    383,921.90x = 575,623.65 × 204,037.10
  4. Step 4: Simplify right side
    383,921.90x = 117,448,580,237.42
  5. Step 5: Solve for x
    x = 117,448,580,237.42/383,921.90
  6. Step 6: Final answer
    x = 305,917.90

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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.