Home / 767,877.22-1,151,684.61-206,780.50

Finding the Fourth Proportional to 767,877.22, 1,151,684.61 and 206,780.50

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Solution

The fourth proportional to 767,877.22, 1,151,684.61 and 206,780.50 is: 310,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,877.22 : 1,151,684.61 = 206,780.50 : x
  2. Step 2: Convert to fraction form
    767,877.22/1,151,684.61 = 206,780.50/x
  3. Step 3: Cross multiply
    767,877.22x = 1,151,684.61 × 206,780.50
  4. Step 4: Simplify right side
    767,877.22x = 238,145,919,498.11
  5. Step 5: Solve for x
    x = 238,145,919,498.11/767,877.22
  6. Step 6: Final answer
    x = 310,135.41

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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.