Home / 1,618,855.53-2,234,007.25-893,687.78

Finding the Fourth Proportional to 1,618,855.53, 2,234,007.25 and 893,687.78

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Solution

The fourth proportional to 1,618,855.53, 2,234,007.25 and 893,687.78 is: 1,233,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,855.53 : 2,234,007.25 = 893,687.78 : x
  2. Step 2: Convert to fraction form
    1,618,855.53/2,234,007.25 = 893,687.78/x
  3. Step 3: Cross multiply
    1,618,855.53x = 2,234,007.25 × 893,687.78
  4. Step 4: Simplify right side
    1,618,855.53x = 1,996,504,979,756.41
  5. Step 5: Solve for x
    x = 1,996,504,979,756.41/1,618,855.53
  6. Step 6: Final answer
    x = 1,233,281.75

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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.