Home / 436,150.80-654,240.72-120,610.32

Finding the Fourth Proportional to 436,150.80, 654,240.72 and 120,610.32

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Solution

The fourth proportional to 436,150.80, 654,240.72 and 120,610.32 is: 180,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,150.80 : 654,240.72 = 120,610.32 : x
  2. Step 2: Convert to fraction form
    436,150.80/654,240.72 = 120,610.32/x
  3. Step 3: Cross multiply
    436,150.80x = 654,240.72 × 120,610.32
  4. Step 4: Simplify right side
    436,150.80x = 78,908,182,596.23
  5. Step 5: Solve for x
    x = 78,908,182,596.23/436,150.80
  6. Step 6: Final answer
    x = 180,919.50

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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.