Home / 1,178,074.88-1,764,453.76-545,660.16

Finding the Fourth Proportional to 1,178,074.88, 1,764,453.76 and 545,660.16

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Solution

The fourth proportional to 1,178,074.88, 1,764,453.76 and 545,660.16 is: 817,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,074.88 : 1,764,453.76 = 545,660.16 : x
  2. Step 2: Convert to fraction form
    1,178,074.88/1,764,453.76 = 545,660.16/x
  3. Step 3: Cross multiply
    1,178,074.88x = 1,764,453.76 × 545,660.16
  4. Step 4: Simplify right side
    1,178,074.88x = 962,792,120,994.20
  5. Step 5: Solve for x
    x = 962,792,120,994.20/1,178,074.88
  6. Step 6: Final answer
    x = 817,258.85

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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.