Home / 436,027.03-654,040.85-120,484.24

Finding the Fourth Proportional to 436,027.03, 654,040.85 and 120,484.24

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Solution

The fourth proportional to 436,027.03, 654,040.85 and 120,484.24 is: 180,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,027.03 : 654,040.85 = 120,484.24 : x
  2. Step 2: Convert to fraction form
    436,027.03/654,040.85 = 120,484.24/x
  3. Step 3: Cross multiply
    436,027.03x = 654,040.85 × 120,484.24
  4. Step 4: Simplify right side
    436,027.03x = 78,801,614,741.20
  5. Step 5: Solve for x
    x = 78,801,614,741.20/436,027.03
  6. Step 6: Final answer
    x = 180,726.44

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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.