Home / 419,234.46-578,554.01-228,258.33

Finding the Fourth Proportional to 419,234.46, 578,554.01 and 228,258.33

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Solution

The fourth proportional to 419,234.46, 578,554.01 and 228,258.33 is: 315,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,234.46 : 578,554.01 = 228,258.33 : x
  2. Step 2: Convert to fraction form
    419,234.46/578,554.01 = 228,258.33/x
  3. Step 3: Cross multiply
    419,234.46x = 578,554.01 × 228,258.33
  4. Step 4: Simplify right side
    419,234.46x = 132,059,772,137.40
  5. Step 5: Solve for x
    x = 132,059,772,137.40/419,234.46
  6. Step 6: Final answer
    x = 315,002.19

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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.