Home / 1,184,932.72-1,777,583.40-386,028.28

Finding the Fourth Proportional to 1,184,932.72, 1,777,583.40 and 386,028.28

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Solution

The fourth proportional to 1,184,932.72, 1,777,583.40 and 386,028.28 is: 579,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,932.72 : 1,777,583.40 = 386,028.28 : x
  2. Step 2: Convert to fraction form
    1,184,932.72/1,777,583.40 = 386,028.28/x
  3. Step 3: Cross multiply
    1,184,932.72x = 1,777,583.40 × 386,028.28
  4. Step 4: Simplify right side
    1,184,932.72x = 686,197,462,458.55
  5. Step 5: Solve for x
    x = 686,197,462,458.55/1,184,932.72
  6. Step 6: Final answer
    x = 579,102.47

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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.