Home / 1,048,687.30-1,447,146.78-619,105.80

Finding the Fourth Proportional to 1,048,687.30, 1,447,146.78 and 619,105.80

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Solution

The fourth proportional to 1,048,687.30, 1,447,146.78 and 619,105.80 is: 854,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,687.30 : 1,447,146.78 = 619,105.80 : x
  2. Step 2: Convert to fraction form
    1,048,687.30/1,447,146.78 = 619,105.80/x
  3. Step 3: Cross multiply
    1,048,687.30x = 1,447,146.78 × 619,105.80
  4. Step 4: Simplify right side
    1,048,687.30x = 895,936,964,949.32
  5. Step 5: Solve for x
    x = 895,936,964,949.32/1,048,687.30
  6. Step 6: Final answer
    x = 854,341.39

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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.