Home / 850,890.60-1,276,335.90-798,402.60

Finding the Fourth Proportional to 850,890.60, 1,276,335.90 and 798,402.60

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Solution

The fourth proportional to 850,890.60, 1,276,335.90 and 798,402.60 is: 1,197,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,890.60 : 1,276,335.90 = 798,402.60 : x
  2. Step 2: Convert to fraction form
    850,890.60/1,276,335.90 = 798,402.60/x
  3. Step 3: Cross multiply
    850,890.60x = 1,276,335.90 × 798,402.60
  4. Step 4: Simplify right side
    850,890.60x = 1,019,029,901,033.34
  5. Step 5: Solve for x
    x = 1,019,029,901,033.34/850,890.60
  6. Step 6: Final answer
    x = 1,197,603.90

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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.