Home / 1,516,500.72-2,092,767.30-871,889.76

Finding the Fourth Proportional to 1,516,500.72, 2,092,767.30 and 871,889.76

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Solution

The fourth proportional to 1,516,500.72, 2,092,767.30 and 871,889.76 is: 1,203,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,500.72 : 2,092,767.30 = 871,889.76 : x
  2. Step 2: Convert to fraction form
    1,516,500.72/2,092,767.30 = 871,889.76/x
  3. Step 3: Cross multiply
    1,516,500.72x = 2,092,767.30 × 871,889.76
  4. Step 4: Simplify right side
    1,516,500.72x = 1,824,662,378,932.85
  5. Step 5: Solve for x
    x = 1,824,662,378,932.85/1,516,500.72
  6. Step 6: Final answer
    x = 1,203,205.75

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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.