Home / 1,738,127.20-2,605,635.60-1,139,375.20

Finding the Fourth Proportional to 1,738,127.20, 2,605,635.60 and 1,139,375.20

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Solution

The fourth proportional to 1,738,127.20, 2,605,635.60 and 1,139,375.20 is: 1,708,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,127.20 : 2,605,635.60 = 1,139,375.20 : x
  2. Step 2: Convert to fraction form
    1,738,127.20/2,605,635.60 = 1,139,375.20/x
  3. Step 3: Cross multiply
    1,738,127.20x = 2,605,635.60 × 1,139,375.20
  4. Step 4: Simplify right side
    1,738,127.20x = 2,968,796,582,877.12
  5. Step 5: Solve for x
    x = 2,968,796,582,877.12/1,738,127.20
  6. Step 6: Final answer
    x = 1,708,043.34

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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.