Home / 1,185,297.18-1,777,765.31-386,577.44

Finding the Fourth Proportional to 1,185,297.18, 1,777,765.31 and 386,577.44

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Solution

The fourth proportional to 1,185,297.18, 1,777,765.31 and 386,577.44 is: 579,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,297.18 : 1,777,765.31 = 386,577.44 : x
  2. Step 2: Convert to fraction form
    1,185,297.18/1,777,765.31 = 386,577.44/x
  3. Step 3: Cross multiply
    1,185,297.18x = 1,777,765.31 × 386,577.44
  4. Step 4: Simplify right side
    1,185,297.18x = 687,243,960,527.72
  5. Step 5: Solve for x
    x = 687,243,960,527.72/1,185,297.18
  6. Step 6: Final answer
    x = 579,807.30

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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.