Home / 1,222,193.28-1,833,078.56-323,647.92

Finding the Fourth Proportional to 1,222,193.28, 1,833,078.56 and 323,647.92

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Solution

The fourth proportional to 1,222,193.28, 1,833,078.56 and 323,647.92 is: 485,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,193.28 : 1,833,078.56 = 323,647.92 : x
  2. Step 2: Convert to fraction form
    1,222,193.28/1,833,078.56 = 323,647.92/x
  3. Step 3: Cross multiply
    1,222,193.28x = 1,833,078.56 × 323,647.92
  4. Step 4: Simplify right side
    1,222,193.28x = 593,272,063,140.60
  5. Step 5: Solve for x
    x = 593,272,063,140.60/1,222,193.28
  6. Step 6: Final answer
    x = 485,415.91

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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.