Home / 456,245.44-684,484.86-189,917.44

Finding the Fourth Proportional to 456,245.44, 684,484.86 and 189,917.44

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Solution

The fourth proportional to 456,245.44, 684,484.86 and 189,917.44 is: 284,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,245.44 : 684,484.86 = 189,917.44 : x
  2. Step 2: Convert to fraction form
    456,245.44/684,484.86 = 189,917.44/x
  3. Step 3: Cross multiply
    456,245.44x = 684,484.86 × 189,917.44
  4. Step 4: Simplify right side
    456,245.44x = 129,995,612,329.96
  5. Step 5: Solve for x
    x = 129,995,612,329.96/456,245.44
  6. Step 6: Final answer
    x = 284,924.74

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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.