Home / 1,237,910.45-1,857,145.73-439,192.94

Finding the Fourth Proportional to 1,237,910.45, 1,857,145.73 and 439,192.94

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Solution

The fourth proportional to 1,237,910.45, 1,857,145.73 and 439,192.94 is: 658,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,910.45 : 1,857,145.73 = 439,192.94 : x
  2. Step 2: Convert to fraction form
    1,237,910.45/1,857,145.73 = 439,192.94/x
  3. Step 3: Cross multiply
    1,237,910.45x = 1,857,145.73 × 439,192.94
  4. Step 4: Simplify right side
    1,237,910.45x = 815,645,281,685.45
  5. Step 5: Solve for x
    x = 815,645,281,685.45/1,237,910.45
  6. Step 6: Final answer
    x = 658,888.76

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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.