Home / 1,253,290.60-1,729,536.21-680,325.76

Finding the Fourth Proportional to 1,253,290.60, 1,729,536.21 and 680,325.76

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Solution

The fourth proportional to 1,253,290.60, 1,729,536.21 and 680,325.76 is: 938,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,290.60 : 1,729,536.21 = 680,325.76 : x
  2. Step 2: Convert to fraction form
    1,253,290.60/1,729,536.21 = 680,325.76/x
  3. Step 3: Cross multiply
    1,253,290.60x = 1,729,536.21 × 680,325.76
  4. Step 4: Simplify right side
    1,253,290.60x = 1,176,648,036,515.77
  5. Step 5: Solve for x
    x = 1,176,648,036,515.77/1,253,290.60
  6. Step 6: Final answer
    x = 938,846.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.