Home / 1,217,745.06-1,680,446.88-673,903.80

Finding the Fourth Proportional to 1,217,745.06, 1,680,446.88 and 673,903.80

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Solution

The fourth proportional to 1,217,745.06, 1,680,446.88 and 673,903.80 is: 929,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,745.06 : 1,680,446.88 = 673,903.80 : x
  2. Step 2: Convert to fraction form
    1,217,745.06/1,680,446.88 = 673,903.80/x
  3. Step 3: Cross multiply
    1,217,745.06x = 1,680,446.88 × 673,903.80
  4. Step 4: Simplify right side
    1,217,745.06x = 1,132,459,538,130.14
  5. Step 5: Solve for x
    x = 1,132,459,538,130.14/1,217,745.06
  6. Step 6: Final answer
    x = 929,964.39

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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.