Home / 1,619,634.89-2,235,096.15-940,615.13

Finding the Fourth Proportional to 1,619,634.89, 2,235,096.15 and 940,615.13

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Solution

The fourth proportional to 1,619,634.89, 2,235,096.15 and 940,615.13 is: 1,298,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,634.89 : 2,235,096.15 = 940,615.13 : x
  2. Step 2: Convert to fraction form
    1,619,634.89/2,235,096.15 = 940,615.13/x
  3. Step 3: Cross multiply
    1,619,634.89x = 2,235,096.15 × 940,615.13
  4. Step 4: Simplify right side
    1,619,634.89x = 2,102,365,255,694.75
  5. Step 5: Solve for x
    x = 2,102,365,255,694.75/1,619,634.89
  6. Step 6: Final answer
    x = 1,298,048.88

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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.