Home / 436,174.45-654,261.68-120,631.36

Finding the Fourth Proportional to 436,174.45, 654,261.68 and 120,631.36

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Solution

The fourth proportional to 436,174.45, 654,261.68 and 120,631.36 is: 180,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,174.45 : 654,261.68 = 120,631.36 : x
  2. Step 2: Convert to fraction form
    436,174.45/654,261.68 = 120,631.36/x
  3. Step 3: Cross multiply
    436,174.45x = 654,261.68 × 120,631.36
  4. Step 4: Simplify right side
    436,174.45x = 78,924,475,807.67
  5. Step 5: Solve for x
    x = 78,924,475,807.67/436,174.45
  6. Step 6: Final answer
    x = 180,947.04

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1.5x scale

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.