Home / 1,011,544.20-1,396,244.88-624,481.56

Finding the Fourth Proportional to 1,011,544.20, 1,396,244.88 and 624,481.56

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Solution

The fourth proportional to 1,011,544.20, 1,396,244.88 and 624,481.56 is: 861,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,544.20 : 1,396,244.88 = 624,481.56 : x
  2. Step 2: Convert to fraction form
    1,011,544.20/1,396,244.88 = 624,481.56/x
  3. Step 3: Cross multiply
    1,011,544.20x = 1,396,244.88 × 624,481.56
  4. Step 4: Simplify right side
    1,011,544.20x = 871,929,180,804.41
  5. Step 5: Solve for x
    x = 871,929,180,804.41/1,011,544.20
  6. Step 6: Final answer
    x = 861,978.33

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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.