Home / 1,185,523.37-1,777,390.80-386,327.69

Finding the Fourth Proportional to 1,185,523.37, 1,777,390.80 and 386,327.69

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Solution

The fourth proportional to 1,185,523.37, 1,777,390.80 and 386,327.69 is: 579,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,523.37 : 1,777,390.80 = 386,327.69 : x
  2. Step 2: Convert to fraction form
    1,185,523.37/1,777,390.80 = 386,327.69/x
  3. Step 3: Cross multiply
    1,185,523.37x = 1,777,390.80 × 386,327.69
  4. Step 4: Simplify right side
    1,185,523.37x = 686,655,273,104.30
  5. Step 5: Solve for x
    x = 686,655,273,104.30/1,185,523.37
  6. Step 6: Final answer
    x = 579,200.12

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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.