Home / 1,766,453.90-2,650,071.81-644,519.66

Finding the Fourth Proportional to 1,766,453.90, 2,650,071.81 and 644,519.66

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Solution

The fourth proportional to 1,766,453.90, 2,650,071.81 and 644,519.66 is: 966,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,453.90 : 2,650,071.81 = 644,519.66 : x
  2. Step 2: Convert to fraction form
    1,766,453.90/2,650,071.81 = 644,519.66/x
  3. Step 3: Cross multiply
    1,766,453.90x = 2,650,071.81 × 644,519.66
  4. Step 4: Simplify right side
    1,766,453.90x = 1,708,023,381,956.78
  5. Step 5: Solve for x
    x = 1,708,023,381,956.78/1,766,453.90
  6. Step 6: Final answer
    x = 966,922.14

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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.