Home / 419,219.96-578,533.93-228,243.83

Finding the Fourth Proportional to 419,219.96, 578,533.93 and 228,243.83

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Solution

The fourth proportional to 419,219.96, 578,533.93 and 228,243.83 is: 314,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,219.96 : 578,533.93 = 228,243.83 : x
  2. Step 2: Convert to fraction form
    419,219.96/578,533.93 = 228,243.83/x
  3. Step 3: Cross multiply
    419,219.96x = 578,533.93 × 228,243.83
  4. Step 4: Simplify right side
    419,219.96x = 132,046,796,504.87
  5. Step 5: Solve for x
    x = 132,046,796,504.87/419,219.96
  6. Step 6: Final answer
    x = 314,982.14

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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.