Home / 1,681,626.76-2,320,694.22-917,729.44

Finding the Fourth Proportional to 1,681,626.76, 2,320,694.22 and 917,729.44

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Solution

The fourth proportional to 1,681,626.76, 2,320,694.22 and 917,729.44 is: 1,266,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,626.76 : 2,320,694.22 = 917,729.44 : x
  2. Step 2: Convert to fraction form
    1,681,626.76/2,320,694.22 = 917,729.44/x
  3. Step 3: Cross multiply
    1,681,626.76x = 2,320,694.22 × 917,729.44
  4. Step 4: Simplify right side
    1,681,626.76x = 2,129,769,406,931.84
  5. Step 5: Solve for x
    x = 2,129,769,406,931.84/1,681,626.76
  6. Step 6: Final answer
    x = 1,266,493.53

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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.