Home / 1,197,410.78-1,652,173.83-761,669.45

Finding the Fourth Proportional to 1,197,410.78, 1,652,173.83 and 761,669.45

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Solution

The fourth proportional to 1,197,410.78, 1,652,173.83 and 761,669.45 is: 1,050,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,410.78 : 1,652,173.83 = 761,669.45 : x
  2. Step 2: Convert to fraction form
    1,197,410.78/1,652,173.83 = 761,669.45/x
  3. Step 3: Cross multiply
    1,197,410.78x = 1,652,173.83 × 761,669.45
  4. Step 4: Simplify right side
    1,197,410.78x = 1,258,410,324,139.62
  5. Step 5: Solve for x
    x = 1,258,410,324,139.62/1,197,410.78
  6. Step 6: Final answer
    x = 1,050,942.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.