Home / 1,578,963.41-2,178,982.58-871,747.83

Finding the Fourth Proportional to 1,578,963.41, 2,178,982.58 and 871,747.83

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Solution

The fourth proportional to 1,578,963.41, 2,178,982.58 and 871,747.83 is: 1,203,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,963.41 : 2,178,982.58 = 871,747.83 : x
  2. Step 2: Convert to fraction form
    1,578,963.41/2,178,982.58 = 871,747.83/x
  3. Step 3: Cross multiply
    1,578,963.41x = 2,178,982.58 × 871,747.83
  4. Step 4: Simplify right side
    1,578,963.41x = 1,899,523,335,722.80
  5. Step 5: Solve for x
    x = 1,899,523,335,722.80/1,578,963.41
  6. Step 6: Final answer
    x = 1,203,019.22

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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.