Home / 419,011.10-578,234.24-228,024.44

Finding the Fourth Proportional to 419,011.10, 578,234.24 and 228,024.44

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Solution

The fourth proportional to 419,011.10, 578,234.24 and 228,024.44 is: 314,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,011.10 : 578,234.24 = 228,024.44 : x
  2. Step 2: Convert to fraction form
    419,011.10/578,234.24 = 228,024.44/x
  3. Step 3: Cross multiply
    419,011.10x = 578,234.24 × 228,024.44
  4. Step 4: Simplify right side
    419,011.10x = 131,851,538,764.83
  5. Step 5: Solve for x
    x = 131,851,538,764.83/419,011.10
  6. Step 6: Final answer
    x = 314,673.14

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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.