Home / 1,185,297.42-1,777,765.68-386,577.69

Finding the Fourth Proportional to 1,185,297.42, 1,777,765.68 and 386,577.69

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Solution

The fourth proportional to 1,185,297.42, 1,777,765.68 and 386,577.69 is: 579,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,297.42 : 1,777,765.68 = 386,577.69 : x
  2. Step 2: Convert to fraction form
    1,185,297.42/1,777,765.68 = 386,577.69/x
  3. Step 3: Cross multiply
    1,185,297.42x = 1,777,765.68 × 386,577.69
  4. Step 4: Simplify right side
    1,185,297.42x = 687,244,549,935.68
  5. Step 5: Solve for x
    x = 687,244,549,935.68/1,185,297.42
  6. Step 6: Final answer
    x = 579,807.68

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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.