Home / 456,492.24-684,738.63-172,105.56

Finding the Fourth Proportional to 456,492.24, 684,738.63 and 172,105.56

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Solution

The fourth proportional to 456,492.24, 684,738.63 and 172,105.56 is: 258,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,492.24 : 684,738.63 = 172,105.56 : x
  2. Step 2: Convert to fraction form
    456,492.24/684,738.63 = 172,105.56/x
  3. Step 3: Cross multiply
    456,492.24x = 684,738.63 × 172,105.56
  4. Step 4: Simplify right side
    456,492.24x = 117,847,325,369.78
  5. Step 5: Solve for x
    x = 117,847,325,369.78/456,492.24
  6. Step 6: Final answer
    x = 258,158.44

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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.