Home / 1,787,577.90-2,677,776.69-826,686.66

Finding the Fourth Proportional to 1,787,577.90, 2,677,776.69 and 826,686.66

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Solution

The fourth proportional to 1,787,577.90, 2,677,776.69 and 826,686.66 is: 1,238,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,577.90 : 2,677,776.69 = 826,686.66 : x
  2. Step 2: Convert to fraction form
    1,787,577.90/2,677,776.69 = 826,686.66/x
  3. Step 3: Cross multiply
    1,787,577.90x = 2,677,776.69 × 826,686.66
  4. Step 4: Simplify right side
    1,787,577.90x = 2,213,682,268,081.96
  5. Step 5: Solve for x
    x = 2,213,682,268,081.96/1,787,577.90
  6. Step 6: Final answer
    x = 1,238,369.68

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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.