Home / 1,172,173.52-1,617,634.68-662,865.68

Finding the Fourth Proportional to 1,172,173.52, 1,617,634.68 and 662,865.68

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Solution

The fourth proportional to 1,172,173.52, 1,617,634.68 and 662,865.68 is: 914,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,173.52 : 1,617,634.68 = 662,865.68 : x
  2. Step 2: Convert to fraction form
    1,172,173.52/1,617,634.68 = 662,865.68/x
  3. Step 3: Cross multiply
    1,172,173.52x = 1,617,634.68 × 662,865.68
  4. Step 4: Simplify right side
    1,172,173.52x = 1,072,274,512,149.78
  5. Step 5: Solve for x
    x = 1,072,274,512,149.78/1,172,173.52
  6. Step 6: Final answer
    x = 914,774.56

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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.