Home / 1,196,912.40-1,793,910.60-521,566.80

Finding the Fourth Proportional to 1,196,912.40, 1,793,910.60 and 521,566.80

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Solution

The fourth proportional to 1,196,912.40, 1,793,910.60 and 521,566.80 is: 781,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,912.40 : 1,793,910.60 = 521,566.80 : x
  2. Step 2: Convert to fraction form
    1,196,912.40/1,793,910.60 = 521,566.80/x
  3. Step 3: Cross multiply
    1,196,912.40x = 1,793,910.60 × 521,566.80
  4. Step 4: Simplify right side
    1,196,912.40x = 935,644,211,128.08
  5. Step 5: Solve for x
    x = 935,644,211,128.08/1,196,912.40
  6. Step 6: Final answer
    x = 781,714.86

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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.