Home / 833,311.28-1,250,025.78-412,474.16

Finding the Fourth Proportional to 833,311.28, 1,250,025.78 and 412,474.16

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Solution

The fourth proportional to 833,311.28, 1,250,025.78 and 412,474.16 is: 618,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,311.28 : 1,250,025.78 = 412,474.16 : x
  2. Step 2: Convert to fraction form
    833,311.28/1,250,025.78 = 412,474.16/x
  3. Step 3: Cross multiply
    833,311.28x = 1,250,025.78 × 412,474.16
  4. Step 4: Simplify right side
    833,311.28x = 515,603,333,583.85
  5. Step 5: Solve for x
    x = 515,603,333,583.85/833,311.28
  6. Step 6: Final answer
    x = 618,740.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.