Home / 1,198,769.45-1,654,334.30-715,615.01

Finding the Fourth Proportional to 1,198,769.45, 1,654,334.30 and 715,615.01

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Solution

The fourth proportional to 1,198,769.45, 1,654,334.30 and 715,615.01 is: 987,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,769.45 : 1,654,334.30 = 715,615.01 : x
  2. Step 2: Convert to fraction form
    1,198,769.45/1,654,334.30 = 715,615.01/x
  3. Step 3: Cross multiply
    1,198,769.45x = 1,654,334.30 × 715,615.01
  4. Step 4: Simplify right side
    1,198,769.45x = 1,183,866,456,637.84
  5. Step 5: Solve for x
    x = 1,183,866,456,637.84/1,198,769.45
  6. Step 6: Final answer
    x = 987,568.09

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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.