Home / 1,185,134.40-1,777,960.80-386,452.80

Finding the Fourth Proportional to 1,185,134.40, 1,777,960.80 and 386,452.80

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Solution

The fourth proportional to 1,185,134.40, 1,777,960.80 and 386,452.80 is: 579,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,134.40 : 1,777,960.80 = 386,452.80 : x
  2. Step 2: Convert to fraction form
    1,185,134.40/1,777,960.80 = 386,452.80/x
  3. Step 3: Cross multiply
    1,185,134.40x = 1,777,960.80 × 386,452.80
  4. Step 4: Simplify right side
    1,185,134.40x = 687,097,929,450.24
  5. Step 5: Solve for x
    x = 687,097,929,450.24/1,185,134.40
  6. Step 6: Final answer
    x = 579,763.72

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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.