Home / 1,779,732.24-2,669,576.06-431,906

Finding the Fourth Proportional to 1,779,732.24, 2,669,576.06 and 431,906

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Solution

The fourth proportional to 1,779,732.24, 2,669,576.06 and 431,906 is: 647,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,732.24 : 2,669,576.06 = 431,906 : x
  2. Step 2: Convert to fraction form
    1,779,732.24/2,669,576.06 = 431,906/x
  3. Step 3: Cross multiply
    1,779,732.24x = 2,669,576.06 × 431,906
  4. Step 4: Simplify right side
    1,779,732.24x = 1,153,005,917,770.36
  5. Step 5: Solve for x
    x = 1,153,005,917,770.36/1,779,732.24
  6. Step 6: Final answer
    x = 647,853.59

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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.