Home / 677,627.56-1,016,412.22-228,318.76

Finding the Fourth Proportional to 677,627.56, 1,016,412.22 and 228,318.76

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Solution

The fourth proportional to 677,627.56, 1,016,412.22 and 228,318.76 is: 342,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,627.56 : 1,016,412.22 = 228,318.76 : x
  2. Step 2: Convert to fraction form
    677,627.56/1,016,412.22 = 228,318.76/x
  3. Step 3: Cross multiply
    677,627.56x = 1,016,412.22 × 228,318.76
  4. Step 4: Simplify right side
    677,627.56x = 232,065,977,719.25
  5. Step 5: Solve for x
    x = 232,065,977,719.25/677,627.56
  6. Step 6: Final answer
    x = 342,468.33

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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.