Home / 1,289,241.40-1,933,862.10-1,168,972.60

Finding the Fourth Proportional to 1,289,241.40, 1,933,862.10 and 1,168,972.60

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Solution

The fourth proportional to 1,289,241.40, 1,933,862.10 and 1,168,972.60 is: 1,753,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,241.40 : 1,933,862.10 = 1,168,972.60 : x
  2. Step 2: Convert to fraction form
    1,289,241.40/1,933,862.10 = 1,168,972.60/x
  3. Step 3: Cross multiply
    1,289,241.40x = 1,933,862.10 × 1,168,972.60
  4. Step 4: Simplify right side
    1,289,241.40x = 2,260,631,807,078.46
  5. Step 5: Solve for x
    x = 2,260,631,807,078.46/1,289,241.40
  6. Step 6: Final answer
    x = 1,753,458.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.