Home / 1,779,407.89-2,669,185.64-517,235.52

Finding the Fourth Proportional to 1,779,407.89, 2,669,185.64 and 517,235.52

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Solution

The fourth proportional to 1,779,407.89, 2,669,185.64 and 517,235.52 is: 775,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,407.89 : 2,669,185.64 = 517,235.52 : x
  2. Step 2: Convert to fraction form
    1,779,407.89/2,669,185.64 = 517,235.52/x
  3. Step 3: Cross multiply
    1,779,407.89x = 2,669,185.64 × 517,235.52
  4. Step 4: Simplify right side
    1,779,407.89x = 1,380,597,622,481.93
  5. Step 5: Solve for x
    x = 1,380,597,622,481.93/1,779,407.89
  6. Step 6: Final answer
    x = 775,874.73

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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.