Home / 1,779,782.24-2,669,651.12-431,956

Finding the Fourth Proportional to 1,779,782.24, 2,669,651.12 and 431,956

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Solution

The fourth proportional to 1,779,782.24, 2,669,651.12 and 431,956 is: 647,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,782.24 : 2,669,651.12 = 431,956 : x
  2. Step 2: Convert to fraction form
    1,779,782.24/2,669,651.12 = 431,956/x
  3. Step 3: Cross multiply
    1,779,782.24x = 2,669,651.12 × 431,956
  4. Step 4: Simplify right side
    1,779,782.24x = 1,153,171,819,190.72
  5. Step 5: Solve for x
    x = 1,153,171,819,190.72/1,779,782.24
  6. Step 6: Final answer
    x = 647,928.60

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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.