Home / 677,416.86-1,016,125.32-228,100.12

Finding the Fourth Proportional to 677,416.86, 1,016,125.32 and 228,100.12

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Solution

The fourth proportional to 677,416.86, 1,016,125.32 and 228,100.12 is: 342,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,416.86 : 1,016,125.32 = 228,100.12 : x
  2. Step 2: Convert to fraction form
    677,416.86/1,016,125.32 = 228,100.12/x
  3. Step 3: Cross multiply
    677,416.86x = 1,016,125.32 × 228,100.12
  4. Step 4: Simplify right side
    677,416.86x = 231,778,307,427.04
  5. Step 5: Solve for x
    x = 231,778,307,427.04/677,416.86
  6. Step 6: Final answer
    x = 342,150.19

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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.