Home / 2,664,229.76-3,996,596.28-745,140.32

Finding the Fourth Proportional to 2,664,229.76, 3,996,596.28 and 745,140.32

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Solution

The fourth proportional to 2,664,229.76, 3,996,596.28 and 745,140.32 is: 1,117,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,229.76 : 3,996,596.28 = 745,140.32 : x
  2. Step 2: Convert to fraction form
    2,664,229.76/3,996,596.28 = 745,140.32/x
  3. Step 3: Cross multiply
    2,664,229.76x = 3,996,596.28 × 745,140.32
  4. Step 4: Simplify right side
    2,664,229.76x = 2,978,025,030,990.01
  5. Step 5: Solve for x
    x = 2,978,025,030,990.01/2,664,229.76
  6. Step 6: Final answer
    x = 1,117,780.86

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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.