Home / 1,412,196.62-2,117,101.19-612,877.28

Finding the Fourth Proportional to 1,412,196.62, 2,117,101.19 and 612,877.28

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Solution

The fourth proportional to 1,412,196.62, 2,117,101.19 and 612,877.28 is: 918,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,196.62 : 2,117,101.19 = 612,877.28 : x
  2. Step 2: Convert to fraction form
    1,412,196.62/2,117,101.19 = 612,877.28/x
  3. Step 3: Cross multiply
    1,412,196.62x = 2,117,101.19 × 612,877.28
  4. Step 4: Simplify right side
    1,412,196.62x = 1,297,523,205,162.07
  5. Step 5: Solve for x
    x = 1,297,523,205,162.07/1,412,196.62
  6. Step 6: Final answer
    x = 918,797.84

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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.