Home / 825,897.20-1,238,845.80-825,897.20

Finding the Fourth Proportional to 825,897.20, 1,238,845.80 and 825,897.20

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Solution

The fourth proportional to 825,897.20, 1,238,845.80 and 825,897.20 is: 1,238,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,897.20 : 1,238,845.80 = 825,897.20 : x
  2. Step 2: Convert to fraction form
    825,897.20/1,238,845.80 = 825,897.20/x
  3. Step 3: Cross multiply
    825,897.20x = 1,238,845.80 × 825,897.20
  4. Step 4: Simplify right side
    825,897.20x = 1,023,159,277,451.76
  5. Step 5: Solve for x
    x = 1,023,159,277,451.76/825,897.20
  6. Step 6: Final answer
    x = 1,238,845.80

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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.