Home / 1,779,403.89-2,669,179.64-517,231.52

Finding the Fourth Proportional to 1,779,403.89, 2,669,179.64 and 517,231.52

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Solution

The fourth proportional to 1,779,403.89, 2,669,179.64 and 517,231.52 is: 775,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,403.89 : 2,669,179.64 = 517,231.52 : x
  2. Step 2: Convert to fraction form
    1,779,403.89/2,669,179.64 = 517,231.52/x
  3. Step 3: Cross multiply
    1,779,403.89x = 2,669,179.64 × 517,231.52
  4. Step 4: Simplify right side
    1,779,403.89x = 1,380,583,826,418.20
  5. Step 5: Solve for x
    x = 1,380,583,826,418.20/1,779,403.89
  6. Step 6: Final answer
    x = 775,868.72

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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.