Home / 1,766,273.40-2,650,101.30-644,455.80

Finding the Fourth Proportional to 1,766,273.40, 2,650,101.30 and 644,455.80

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Solution

The fourth proportional to 1,766,273.40, 2,650,101.30 and 644,455.80 is: 966,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,273.40 : 2,650,101.30 = 644,455.80 : x
  2. Step 2: Convert to fraction form
    1,766,273.40/2,650,101.30 = 644,455.80/x
  3. Step 3: Cross multiply
    1,766,273.40x = 2,650,101.30 × 644,455.80
  4. Step 4: Simplify right side
    1,766,273.40x = 1,707,873,153,372.54
  5. Step 5: Solve for x
    x = 1,707,873,153,372.54/1,766,273.40
  6. Step 6: Final answer
    x = 966,935.90

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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.