Home / 451,724.09-677,599.80-114,764.81

Finding the Fourth Proportional to 451,724.09, 677,599.80 and 114,764.81

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Solution

The fourth proportional to 451,724.09, 677,599.80 and 114,764.81 is: 172,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,724.09 : 677,599.80 = 114,764.81 : x
  2. Step 2: Convert to fraction form
    451,724.09/677,599.80 = 114,764.81/x
  3. Step 3: Cross multiply
    451,724.09x = 677,599.80 × 114,764.81
  4. Step 4: Simplify right side
    451,724.09x = 77,764,612,303.04
  5. Step 5: Solve for x
    x = 77,764,612,303.04/451,724.09
  6. Step 6: Final answer
    x = 172,150.69

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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.