Home / 1,565,811-2,160,819.18-850,419

Finding the Fourth Proportional to 1,565,811, 2,160,819.18 and 850,419

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Solution

The fourth proportional to 1,565,811, 2,160,819.18 and 850,419 is: 1,173,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,811 : 2,160,819.18 = 850,419 : x
  2. Step 2: Convert to fraction form
    1,565,811/2,160,819.18 = 850,419/x
  3. Step 3: Cross multiply
    1,565,811x = 2,160,819.18 × 850,419
  4. Step 4: Simplify right side
    1,565,811x = 1,837,601,686,236.42
  5. Step 5: Solve for x
    x = 1,837,601,686,236.42/1,565,811
  6. Step 6: Final answer
    x = 1,173,578.22

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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.