Home / 1,446,005-2,170,308.42-772,661.88

Finding the Fourth Proportional to 1,446,005, 2,170,308.42 and 772,661.88

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Solution

The fourth proportional to 1,446,005, 2,170,308.42 and 772,661.88 is: 1,159,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,005 : 2,170,308.42 = 772,661.88 : x
  2. Step 2: Convert to fraction form
    1,446,005/2,170,308.42 = 772,661.88/x
  3. Step 3: Cross multiply
    1,446,005x = 2,170,308.42 × 772,661.88
  4. Step 4: Simplify right side
    1,446,005x = 1,676,914,583,977.03
  5. Step 5: Solve for x
    x = 1,676,914,583,977.03/1,446,005
  6. Step 6: Final answer
    x = 1,159,687.96

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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.