Home / 419,583.75-579,025.63-228,597.14

Finding the Fourth Proportional to 419,583.75, 579,025.63 and 228,597.14

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Solution

The fourth proportional to 419,583.75, 579,025.63 and 228,597.14 is: 315,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,583.75 : 579,025.63 = 228,597.14 : x
  2. Step 2: Convert to fraction form
    419,583.75/579,025.63 = 228,597.14/x
  3. Step 3: Cross multiply
    419,583.75x = 579,025.63 × 228,597.14
  4. Step 4: Simplify right side
    419,583.75x = 132,363,600,109.57
  5. Step 5: Solve for x
    x = 132,363,600,109.57/419,583.75
  6. Step 6: Final answer
    x = 315,464.08

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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.