Home / 476,579.08-657,314.70-323,735.11

Finding the Fourth Proportional to 476,579.08, 657,314.70 and 323,735.11

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Solution

The fourth proportional to 476,579.08, 657,314.70 and 323,735.11 is: 446,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,579.08 : 657,314.70 = 323,735.11 : x
  2. Step 2: Convert to fraction form
    476,579.08/657,314.70 = 323,735.11/x
  3. Step 3: Cross multiply
    476,579.08x = 657,314.70 × 323,735.11
  4. Step 4: Simplify right side
    476,579.08x = 212,795,846,709.12
  5. Step 5: Solve for x
    x = 212,795,846,709.12/476,579.08
  6. Step 6: Final answer
    x = 446,506.90

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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.