Home / 1,863,883.72-2,796,412.43-665,779.51

Finding the Fourth Proportional to 1,863,883.72, 2,796,412.43 and 665,779.51

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Solution

The fourth proportional to 1,863,883.72, 2,796,412.43 and 665,779.51 is: 998,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,883.72 : 2,796,412.43 = 665,779.51 : x
  2. Step 2: Convert to fraction form
    1,863,883.72/2,796,412.43 = 665,779.51/x
  3. Step 3: Cross multiply
    1,863,883.72x = 2,796,412.43 × 665,779.51
  4. Step 4: Simplify right side
    1,863,883.72x = 1,861,794,097,403.31
  5. Step 5: Solve for x
    x = 1,861,794,097,403.31/1,863,883.72
  6. Step 6: Final answer
    x = 998,878.89

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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.