Home / 2,776,565.96-4,165,185.96-782,021.96

Finding the Fourth Proportional to 2,776,565.96, 4,165,185.96 and 782,021.96

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Solution

The fourth proportional to 2,776,565.96, 4,165,185.96 and 782,021.96 is: 1,173,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,565.96 : 4,165,185.96 = 782,021.96 : x
  2. Step 2: Convert to fraction form
    2,776,565.96/4,165,185.96 = 782,021.96/x
  3. Step 3: Cross multiply
    2,776,565.96x = 4,165,185.96 × 782,021.96
  4. Step 4: Simplify right side
    2,776,565.96x = 3,257,266,888,203.68
  5. Step 5: Solve for x
    x = 3,257,266,888,203.68/2,776,565.96
  6. Step 6: Final answer
    x = 1,173,127.86

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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.