Home / 1,167,660.56-1,610,438.60-805,001.28

Finding the Fourth Proportional to 1,167,660.56, 1,610,438.60 and 805,001.28

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Solution

The fourth proportional to 1,167,660.56, 1,610,438.60 and 805,001.28 is: 1,110,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,660.56 : 1,610,438.60 = 805,001.28 : x
  2. Step 2: Convert to fraction form
    1,167,660.56/1,610,438.60 = 805,001.28/x
  3. Step 3: Cross multiply
    1,167,660.56x = 1,610,438.60 × 805,001.28
  4. Step 4: Simplify right side
    1,167,660.56x = 1,296,405,134,361.41
  5. Step 5: Solve for x
    x = 1,296,405,134,361.41/1,167,660.56
  6. Step 6: Final answer
    x = 1,110,258.56

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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.