Home / 419,231.34-578,539.33-228,244.74

Finding the Fourth Proportional to 419,231.34, 578,539.33 and 228,244.74

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Solution

The fourth proportional to 419,231.34, 578,539.33 and 228,244.74 is: 314,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,231.34 : 578,539.33 = 228,244.74 : x
  2. Step 2: Convert to fraction form
    419,231.34/578,539.33 = 228,244.74/x
  3. Step 3: Cross multiply
    419,231.34x = 578,539.33 × 228,244.74
  4. Step 4: Simplify right side
    419,231.34x = 132,048,558,955.62
  5. Step 5: Solve for x
    x = 132,048,558,955.62/419,231.34
  6. Step 6: Final answer
    x = 314,977.79

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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.