Home / 1,289,143.03-1,924,251.75-1,194,139.75

Finding the Fourth Proportional to 1,289,143.03, 1,924,251.75 and 1,194,139.75

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Solution

The fourth proportional to 1,289,143.03, 1,924,251.75 and 1,194,139.75 is: 1,782,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,143.03 : 1,924,251.75 = 1,194,139.75 : x
  2. Step 2: Convert to fraction form
    1,289,143.03/1,924,251.75 = 1,194,139.75/x
  3. Step 3: Cross multiply
    1,289,143.03x = 1,924,251.75 × 1,194,139.75
  4. Step 4: Simplify right side
    1,289,143.03x = 2,297,825,503,682.06
  5. Step 5: Solve for x
    x = 2,297,825,503,682.06/1,289,143.03
  6. Step 6: Final answer
    x = 1,782,444.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.