Home / 677,434.37-1,016,153.33-228,470.61

Finding the Fourth Proportional to 677,434.37, 1,016,153.33 and 228,470.61

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Solution

The fourth proportional to 677,434.37, 1,016,153.33 and 228,470.61 is: 342,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,434.37 : 1,016,153.33 = 228,470.61 : x
  2. Step 2: Convert to fraction form
    677,434.37/1,016,153.33 = 228,470.61/x
  3. Step 3: Cross multiply
    677,434.37x = 1,016,153.33 × 228,470.61
  4. Step 4: Simplify right side
    677,434.37x = 232,161,173,040.47
  5. Step 5: Solve for x
    x = 232,161,173,040.47/677,434.37
  6. Step 6: Final answer
    x = 342,706.51

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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.