Home / 419,037.41-578,260.54-228,046.70

Finding the Fourth Proportional to 419,037.41, 578,260.54 and 228,046.70

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Solution

The fourth proportional to 419,037.41, 578,260.54 and 228,046.70 is: 314,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,037.41 : 578,260.54 = 228,046.70 : x
  2. Step 2: Convert to fraction form
    419,037.41/578,260.54 = 228,046.70/x
  3. Step 3: Cross multiply
    419,037.41x = 578,260.54 × 228,046.70
  4. Step 4: Simplify right side
    419,037.41x = 131,870,407,887.22
  5. Step 5: Solve for x
    x = 131,870,407,887.22/419,037.41
  6. Step 6: Final answer
    x = 314,698.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.