Home / 1,668,309.16-2,502,813.66-721,814.44

Finding the Fourth Proportional to 1,668,309.16, 2,502,813.66 and 721,814.44

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Solution

The fourth proportional to 1,668,309.16, 2,502,813.66 and 721,814.44 is: 1,082,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,309.16 : 2,502,813.66 = 721,814.44 : x
  2. Step 2: Convert to fraction form
    1,668,309.16/2,502,813.66 = 721,814.44/x
  3. Step 3: Cross multiply
    1,668,309.16x = 2,502,813.66 × 721,814.44
  4. Step 4: Simplify right side
    1,668,309.16x = 1,806,567,040,417.25
  5. Step 5: Solve for x
    x = 1,806,567,040,417.25/1,668,309.16
  6. Step 6: Final answer
    x = 1,082,873.06

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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.