Home / 1,779,049.14-2,668,579.11-431,206.44

Finding the Fourth Proportional to 1,779,049.14, 2,668,579.11 and 431,206.44

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Solution

The fourth proportional to 1,779,049.14, 2,668,579.11 and 431,206.44 is: 646,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,049.14 : 2,668,579.11 = 431,206.44 : x
  2. Step 2: Convert to fraction form
    1,779,049.14/2,668,579.11 = 431,206.44/x
  3. Step 3: Cross multiply
    1,779,049.14x = 2,668,579.11 × 431,206.44
  4. Step 4: Simplify right side
    1,779,049.14x = 1,150,708,497,881.47
  5. Step 5: Solve for x
    x = 1,150,708,497,881.47/1,779,049.14
  6. Step 6: Final answer
    x = 646,810.97

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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.