Home / 1,529,191.50-2,110,286.79-850,128

Finding the Fourth Proportional to 1,529,191.50, 2,110,286.79 and 850,128

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Solution

The fourth proportional to 1,529,191.50, 2,110,286.79 and 850,128 is: 1,173,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,191.50 : 2,110,286.79 = 850,128 : x
  2. Step 2: Convert to fraction form
    1,529,191.50/2,110,286.79 = 850,128/x
  3. Step 3: Cross multiply
    1,529,191.50x = 2,110,286.79 × 850,128
  4. Step 4: Simplify right side
    1,529,191.50x = 1,794,013,888,209.12
  5. Step 5: Solve for x
    x = 1,794,013,888,209.12/1,529,191.50
  6. Step 6: Final answer
    x = 1,173,178.04

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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.