Home / 413,165.10-619,747.65-287,193.90

Finding the Fourth Proportional to 413,165.10, 619,747.65 and 287,193.90

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Solution

The fourth proportional to 413,165.10, 619,747.65 and 287,193.90 is: 430,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,165.10 : 619,747.65 = 287,193.90 : x
  2. Step 2: Convert to fraction form
    413,165.10/619,747.65 = 287,193.90/x
  3. Step 3: Cross multiply
    413,165.10x = 619,747.65 × 287,193.90
  4. Step 4: Simplify right side
    413,165.10x = 177,987,744,619.34
  5. Step 5: Solve for x
    x = 177,987,744,619.34/413,165.10
  6. Step 6: Final answer
    x = 430,790.85

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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.