Home / 1,168,936.40-1,753,404.60-1,085,992.40

Finding the Fourth Proportional to 1,168,936.40, 1,753,404.60 and 1,085,992.40

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Solution

The fourth proportional to 1,168,936.40, 1,753,404.60 and 1,085,992.40 is: 1,628,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,936.40 : 1,753,404.60 = 1,085,992.40 : x
  2. Step 2: Convert to fraction form
    1,168,936.40/1,753,404.60 = 1,085,992.40/x
  3. Step 3: Cross multiply
    1,168,936.40x = 1,753,404.60 × 1,085,992.40
  4. Step 4: Simplify right side
    1,168,936.40x = 1,904,184,069,725.04
  5. Step 5: Solve for x
    x = 1,904,184,069,725.04/1,168,936.40
  6. Step 6: Final answer
    x = 1,628,988.60

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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.